Acid Treated Dies
Attribution Guide #5 Acid Treated Reverse Dies With Broken "R" In Trust
Leroy Van Allen wrote an article about acid treated dies that appeared in 24 May 2011 VAM-e and also in the 2012 1878S Morgan Dollar Attribution Guide. He states that the following 78-S VAMs are acid treated -- 36, 48, 49, 50, 55, 75A, 76, 81, 84, 91, and 91A.
Possible acid treated are 1B, 8A, 24, 30, 43, 69, and 102.
AG#5 Known Acid Treated Dies
1878-S VAM-36 "Dragon Scales" Engraved Wing Feathers
1878-S VAM-36A Engraved Wing Feather, Die Gouge Wheat Leaf
1878-S VAM-36B Engraved Wing Feather, Die Break E
1878-S VAM-48 Engraved Wing Feather, S Tilted Right
1878-S VAM-84 Engraved Wing Feather, S Tilted Right, Doubled Lower Hair & 878
1878-S VAM-91 Engraved Wing Feather, S Tilted Right, Doubled US UNUM & LIBERTY
1878-S VAM-91A Engraved Wing Feather, S Tilted Right, Doubled US UNUM, Die Gouge Cap
1878-S VAM-113 Engraved Hair Ends & Wing Feather, Acid Treated Feathers *NEW 2013*
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