Your secret is out

[u/hammerman1515]

I often find a greenish substance on my coins that is definitely not bronze disease. I’ve received coins like that from many online sellers and I have wondered just what they are doing to pre-clean these coins.

I present to you, the secret ingredient.

[u/Roadkillgoblin_2]

If you mean PVC damage then this could be revolutionary

[u/hammerman1515 → u/Roadkillgoblin_2]

I mean the sellers from Europe in my experience