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How To Distinguish British Bronze Proof From Ciculation Coin

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Author Previous TopicReplies: 2 / Views: 386Next Topic  
Valued Member
449 Posts
 Posted 05/02/2023  5:00 pm Show Profile   Bookmark this topic Add chronos to your friends list Get a Link to this Message
I am curious is there a way to distinguish british proof bronze coin from ciculated coin. For ex : farthing 1934

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Valued Member
269 Posts
 Posted 05/05/2023  11:12 am  Show Profile   Bookmark this reply Add Dollar 1935 to your friends list Get a Link to this Reply
Im not too familar with later UK proof strikes but I'll assume they are quite similar to the canadian specimen/proof produced by The Royal Mint before 1908 :

the first thing you should look for is a square (flat) edge with full rim denticle, often the presence of a rim burr with no weaknesses. If you see some denticle merging with the rim, it should raise a red flag.

Also, they tend to have a more mirrored surface (usually), the letters are also sharper (more square/flat and less rounded) and the overall strike is full. It seems most of those issue show obvious signs of die polishing lines around the letters and the dates wich is quite typical of carefully prepared dies.

If youre looking to find impaired proof in the wild, your best bet is to study the die markers of those issues so you can recognise if a coin has been struck with a proof die, most of those issues seems to have been struck by very few dies, often a single die pair so its not hard to do.
''Buy the very best, stretch to buy it. It means if you can't afford to buy it, buy it anyway."

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Edited by Dollar 1935
05/05/2023 11:16 am
Pillar of the Community
United Kingdom
573 Posts
 Posted 05/09/2023  08:58 am  Show Profile   Bookmark this reply Add zookeeperz to your friends list Get a Link to this Reply
Generally the Uk proofs for farthings and other denominations unless stated as a commemorative proof will be in the handfuls and made for V.I.P diganatories The proofs unlike the standard strikes are struck on specially prepared blanks usually polished before the strike to give a mirrored finish in contrast the subject and all the lettering will be struck unpolished to give the cameo effect we normally see on proof coins although sometimes it is difficult to see the cameo.

Also proof coins are struck at least twice to make sure that everything is well defined and no weakness shows in any part of the design unlike a standard coin which is struck only once . Such coins the ones not in a commemorative year are like hens teeth and the only way you would come across one of the is if someone who was handed down such a coin and knew nothing about coins and put it up for sale without knowing what it was and the chances of that are probably the same as winning the lottery :)
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