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Silver Coin Finishes

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United States
121 Posts
 Posted 06/06/2014  9:42 pm Show Profile   Bookmark this topic Add ziskindd to your friends list Get a Link to this Message Number of Subscribers
I'm sure this question has been answered before but here it goes:

In regards to 1930s-1940s proof silver specimens (dimes, halves mainly), some are "blast white" whereas some have the original patina.

Is it reasonable to conclude that the a lot of the "blast white" coins were dipped at some point (and are market acceptable)?

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junior e's Avatar
United States
931 Posts
 Posted 06/06/2014  10:03 pm  Show Profile   Bookmark this reply Add junior e to your friends list Get a Link to this Reply
I would think if they're blast white the die had been sandblasted. I don't think aside from rare examples that anyone would clean proof coins. They've been treasured since they were first minted in the 1800's. I don't know if they made proofs in the 1700's, but I'm sure that even then the first strikes from new dies were saved by the coin producers.
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zxcccxz's Avatar
Canada
5417 Posts
 Posted 06/06/2014  10:49 pm  Show Profile   Bookmark this reply Add zxcccxz to your friends list Get a Link to this Reply
@junior e: A blast white coin doesn't have to be sandblasted. Most blast-white Early 1900's and 1800's coins like Morgans were dipped thoroughly in the 70's when the practice was commonplace and acceptable.

If they were just dipped and it's been a few years and the coins wasn't actually cleaned then it is Market Acceptable (Although some collectors, like me, prefer to buy coins with original toning).
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Susuman's Avatar
United States
595 Posts
 Posted 06/07/2014  12:39 am  Show Profile   Bookmark this reply Add Susuman to your friends list Get a Link to this Reply
I have a reasonable number of 1930's and early 1940's proof coins and most of them have very little toning and are quite white. I think that most of these coins were probably stored a little better then your average circulation strike. That being said, determining if the surface is truly original is probably best done in-hand on a coin-by-coin basis.
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