Search Results

Search Again
Page 8 of 8
  1. desertgem
    Post

    what is this coin dip you speak of

    As many very old timers know, a better dip, but even I wouldn't use it in a lab with a vent and protective gear, is Sodium Cyanide solution. Used...
    Post by: desertgem, Jul 11, 2013 in forum: Coin Chat
  2. desertgem
    Post

    Possible Indian Head Error

    I believe it is a restored bend. When a coin is bent and then straightened there will be a stretching and then compression of the metal. The...
    Post by: desertgem, Jul 11, 2013 in forum: Error Coins
  3. desertgem
    Post

    what is this coin dip you speak of

    When a dip is mentioned they usually mean an acidic solution of Thiourea. EZest is sulfuric acid and thiourea. The acid reacts with the surface...
    Post by: desertgem, Jul 11, 2013 in forum: Coin Chat
  4. desertgem
    Post

    raw, previously unattributed 09 VDB Matte Proof...

    http://www.amazon.com/Lincoln-Matte-Proofs-Kevin-Flynn/dp/B002JF16FW/ Best reference on subject of raw LMP.
    Post by: desertgem, Jul 10, 2013 in forum: US Coins Forum
Find older messages
Showing results 141 to 144 of 144
Search Again
Page 8 of 8