logger7 ✭✭✭✭✭

I'd get it in a holder. (View Post)

The older MS70 apparently used chemicals that are now banned, something like freon that has different properties and was more effective. AI Overview The original formulation of MS-70 coin cleaner use… (View Post)

You can't put the genie back in the bottle, and that goes double for these. Some highly experienced conservation people know how to use these chemicals. The EZ-est has diluted sulfuric acid and … (View Post)

That's a lot of work; you save a super nice gem Saint, one of the prettiest coin designs, and get the cac sticker, which less than 5% of gems get, then you send it to an auction house, pay a con… (View Post)

"Poor sister?" It looks like a superior gem. (View Post)