cleaning coins

  1. ronyefet123
    Thread

    Milk spot and unidentified dark spot on silver coin

    [IMG] [IMG] [IMG]Bought this pure silver coin two months ago and it came nice and clean. Last week I noticed a bright circular spot which I...
    Thread by: ronyefet123, Mar 23, 2025, 3 replies, in forum: Coin Chat
  2. -monolith-
    Thread

    To "clean" or not to clean?

    I have a pair of rare Gordian III, RIC 172 (b) double strike error coins. They are a perfect die match, including the errors. One is in excellent...
    Thread by: -monolith-, Oct 24, 2023, 5 replies, in forum: Ancient Coins
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