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21st birthday key

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21st birthday key for sale on largest auction and classifieds sites

Home / Bracelets & Charms / 21st birthday key refurbished & used for sale | For Sale UK
9ct yellow gold - 9ct, 21st

9ct yellow gold - 9ct, 21st

£231.95
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21st birthday key the door - 21st,

21st birthday key the door - 21st,

£102.33
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Sterling silver 21st birthday - sterling,

Sterling silver 21st birthday - sterling,

£47.75
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Sterling silver 21st birthday - silver,

Sterling silver 21st birthday - silver,

£18.65
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21st key twenty one - key, 21

21st key twenty one - key, 21

£15.78
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Boxed silver 21st - silver, birthday

Boxed silver 21st - silver, birthday

£21.65
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9ct gold small 21st birthday - small,

9ct gold small 21st birthday - small,

£95.51
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21st birthday key - birthday,

21st birthday key - birthday,

£8.50
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Vtg 70s brass key wall - 21,

Vtg 70s brass key wall - 21,

£89.00
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Links london sterling - london,

Links london sterling - london,

£36.88
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9ct yellow gold 21st - 9ct,

9ct yellow gold 21st - 9ct,

£88.62
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Vintage 21st birthday key - birthday,

Vintage 21st birthday key - birthday,

£22.00
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Boxed silver 18th - 18th, or

Boxed silver 18th - 18th, or

£23.57
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9ct gold 21st birthday - 21st,

9ct gold 21st birthday - 21st,

£259.24
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9ct yellow gold - 9ct,

9ct yellow gold - 9ct,

£142.70
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Sterling silver commemorative - sterling,

Sterling silver commemorative - sterling,

£20.47
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Boxed silver 21st birthday key - birthday,

Boxed silver 21st birthday key - birthday,

£21.78
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Ornate 21st birthday key - 21st,

Ornate 21st birthday key - 21st,

£14.50
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21st birthday key sterling - 21st,

21st birthday key sterling - 21st,

£32.99
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Glass 21st birthday key - glass, with

Glass 21st birthday key - glass, with

£26.80
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18ct 18k yellow gold - gold, 21

18ct 18k yellow gold - gold, 21

£433.85
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21st birthday age keychain - age,

21st birthday age keychain - age,

£8.75
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21st birthday key sterling - birthday,

21st birthday key sterling - birthday,

£36.99
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1960s 80s vintage - vintage, silver

1960s 80s vintage - vintage, silver

£13.63
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21st birthday anniversary - 21st, 9

21st birthday anniversary - 21st, 9

£1226.60
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Dave clark hand signed - clark,

Dave clark hand signed - clark,

£99.99
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1947 basutoland princess - 1947,

1947 basutoland princess - 1947,

£5.44
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Sterling silver 21st birthday - 21st,

Sterling silver 21st birthday - 21st,

£20.47
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Sterling silver 21st - silver,

Sterling silver 21st - silver,

£20.47
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21st birthday key diamond - 21st,

21st birthday key diamond - 21st,

£719.10
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9ct rose gold - 9ct,

9ct rose gold - 9ct,

£266.06
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Vintage sterling silver - vintage,

Vintage sterling silver - vintage,

£32.40
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21st birthday signing keepsake - 21st,

21st birthday signing keepsake - 21st,

£28.65
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Vintage sterling silver 21st - sterling,

Vintage sterling silver 21st - sterling,

£32.40
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21st birthday key - 21st,

21st birthday key - 21st,

£9.50
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Yale door key 21st birthday - yale,

Yale door key 21st birthday - yale,

£14.50
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Birthday key silver plated - silver,

Birthday key silver plated - silver,

£30.93
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925 sterling silver - 925,

925 sterling silver - 925,

£34.11
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Sterling silver commemorative - sterling,

Sterling silver commemorative - sterling,

£20.47
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1960s 80s vintage - vintage, silver

1960s 80s vintage - vintage, silver

£13.63
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Vintage 21st birthday - 21st,

Vintage 21st birthday - 21st,

£4.09
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White wooden heart cut key - white,

White wooden heart cut key - white,

£17.08
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21st birthday key - key, 925

21st birthday key - key, 925

£27.27
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21st birthday key pendant - 21st,

21st birthday key pendant - 21st,

£258.55
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21st birthday gifts - birthday, her

21st birthday gifts - birthday, her

£13.99
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Stratton 21st birthday - stratton,

Stratton 21st birthday - stratton,

£6.81
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21st birthday gift key the - key,

21st birthday gift key the - key,

£5.44
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1960s 80s vintage silver - 1960s/80s,

1960s 80s vintage silver - 1960s/80s,

£13.63
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1960s 80s vintage silver - 1960s/80s,

1960s 80s vintage silver - 1960s/80s,

£13.63
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Silver large 21st birthday key - silver,

Silver large 21st birthday key - silver,

£10.90
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1960s 80s vintage silver - 1960s-80s,

1960s 80s vintage silver - 1960s-80s,

£16.36
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1960s 80s vintage - vintage, silver

1960s 80s vintage - vintage, silver

£16.36
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Vintage 21st birthday key - vintage,

Vintage 21st birthday key - vintage,

£16.30
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Rage large 21st birthday - rage,

Rage large 21st birthday - rage,

£9.54
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Vintage 925 sterling silver - vintage,

Vintage 925 sterling silver - vintage,

£27.94
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Vintage 9ct solid yellow - 9ct,

Vintage 9ct solid yellow - 9ct,

£115.97
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1960s 80s vintage silver - 1960s-80s,

1960s 80s vintage silver - 1960s-80s,

£13.63
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9ct yellow gold - 9ct, 9k

9ct yellow gold - 9ct, 9k

£103.98
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9ct gold small 21st birthday - small,

9ct gold small 21st birthday - small,

£88.67
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Sterling silver 21st birthday - sterling,

Sterling silver 21st birthday - sterling,

£20.47
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Vintage sterling silver ruby - vintage,

Vintage sterling silver ruby - vintage,

£23.19
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Vintage nuvo sterling silver - nuvo,

Vintage nuvo sterling silver - nuvo,

£37.80
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Vintage 9ct solid yellow - 9ct,

Vintage 9ct solid yellow - 9ct,

£102.33
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1960s 80s vintage - vintage, silver

1960s 80s vintage - vintage, silver

£16.36
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21st birthday gifts for - birthday, her

21st birthday gifts for - birthday, her

£13.29
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Silver birthday key keepsake - birthday,

Silver birthday key keepsake - birthday,

£29.75
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Antique large brass key - , 34.5cm

Antique large brass key - , 34.5cm

£27.27
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Vintage chim sterling - vintage,

Vintage chim sterling - vintage,

£36.00
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Vintage 1940s 21st birthday - 1940s,

Vintage 1940s 21st birthday - 1940s,

£2.99
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Vintage sterling silver - vintage,

Vintage sterling silver - vintage,

£20.00
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21st birthday 21 skeleton - ,

21st birthday 21 skeleton - ,

£55.00
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9ct solid gold 21st - solid, birthday

9ct solid gold 21st - solid, birthday

£143.41
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Sterling silver 21st - sterling, charm

Sterling silver 21st - sterling, charm

£39.99
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Vintage nuvo sterling - vintage,

Vintage nuvo sterling - vintage,

£36.00
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Necklace charm pendant vintage - necklace,

Necklace charm pendant vintage - necklace,

£34.11
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21st birthday gifts - 21st, for

21st birthday gifts - 21st, for

£9.25
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Yellow gold 21st birthday - yellow,

Yellow gold 21st birthday - yellow,

£77.45
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Vintage silver 21st birthday - 21st,

Vintage silver 21st birthday - 21st,

£30.02
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Sterling silver 21st birthday - sterling,

Sterling silver 21st birthday - sterling,

£22.04
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Silver plated stretchy - stretchy, 21st

Silver plated stretchy - stretchy, 21st

£9.84
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21st birthday gifts - 21st, her

21st birthday gifts - 21st, her

£14.73
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Silver 21st birthday charm - silver,

Silver 21st birthday charm - silver,

£23.98
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21st birthday key - birthday, sterling

21st birthday key - birthday, sterling

£41.99
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Key necklace personalised - necklace,,

Key necklace personalised - necklace,,

£23.86
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Yellow gold 21st birthday key - yellow,

Yellow gold 21st birthday key - yellow,

£149.87
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1960s 80s vintage - 1960s-80s, silver

1960s 80s vintage - 1960s-80s, silver

£23.18
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Solid silver 21st birthday - silver,

Solid silver 21st birthday - silver,

£34.10
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Bullets 21st birthday - bullets,

Bullets 21st birthday - bullets,

£16.37
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Vintage sterling silver 21st - vintage,

Vintage sterling silver 21st - vintage,

£32.40
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Vintage sterling silver fancy - vintage,

Vintage sterling silver fancy - vintage,

£32.40
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21st birthday signing keepsake - 21st,

21st birthday signing keepsake - 21st,

£28.65
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Key sterling silver charm - silver,

Key sterling silver charm - silver,

£31.99
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Vintage sterling silver 21st - sterling,

Vintage sterling silver 21st - sterling,

£24.00
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Carat diamond 21st - carat, birthday

Carat diamond 21st - carat, birthday

£224.10
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Sterling silver commemorative - sterling,

Sterling silver commemorative - sterling,

£20.47
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📊95 listings · from £2.99 · avg £70.29

Browse 95 21st birthday key listings currently in our index. Prices range from £2.99 to £1226.6, with an average of £70.29. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 21st birthday key →

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Everything you need to know about 21st birthday key

Whether you are looking for a brand-new or second-hand 21st birthday key, eBay offers one of the largest selections available online. With 95 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.99, while premium listings can reach £1226.6 — giving you a wide budget spread to work with. The average price of £70.29 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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