The coin shows severe verdigris. VERDI-CARE™ would remove the light to moderate verdigris and shrink the down the severe stuff. The only way to...
Doug is correct. It's just toning and not due to the holder. Here's what you need to do. Put the coin in a freezer style ziplock bag with a...
DGS was a great grading company. I would buy their slabbed coins in a heartbeat.
Pmd
From a guy with great skill! LOL
That 1915 is edited !
Beautiful coins! I love MPL's! I see the woodgraining on both them.
That's just an EDXRF instrument, we have one of those too with an autosampler. It runs much faster but doesn't give you the ability to look at...
Never invest, buy the coins because you enjoy collecting them.
I have to agree with Doug here. These discussions are important to the hobby and one of the reasons this forum exists. That said, there's no way...
Given time. We have an SEM-EDXRF in my lab. However, we have a very busy lab, we process almost 1000 samples a week and we have about 10 metal...
I use 4x in most cases and then 10x to look at what I think might be a variety or error. IMO, using 10x to look at coins just reveals every little...
What Doug said....pics please.
Do you have full pictures of both sides of the coin? I'd like to see the whole coin.
Yep! If Mike says it's doubled, I'm sure he'll want to see it in hand and take pictures. It would be worth pretty substantial money if authenticated.
That's a KEEPER! Awesome! :D
I like to use the bottom of the 7, it goes well below the bottom of the 0 on the large date.
I want to see if it's an organic residue first. Acids will too harsh for this experiment to start.
Sorry, that is corrosion and not toning.
Die erosion and the picture/lighting accentuating it.
Separate names with a comma.
