I would advise that you keep the coin as-is. Any attempt to remove the silver sulfide would do more harm than good. Over time the coin with tone...
"She struck the room, tall and straight and sudden-white, a talon of lightning in the midnight sky. Her horse-hair helmet brushed the ceiling....
I have a tetradrachm with the same mark or symbol running from the middle of the cheek to the ear. In fact, the die is identical. The reverse die...
Hello I am a new member. I have collected world and ancient coins starting in 1980, which I guess dates me, but hopefully not in geological...
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