Copper coins seem to have the ability to pick up and hold black, gummy residues. In chemist speak, these are typically long-chain, organic...
And why do you think that residue is green Doug?
If you see green/blue-green on a copper coin, it is verdigris. Generally, ancients excluded, removing heavy verdigris will result in an...
(109) Q: Can VERDI-CARE™ be removed? A: The product is water-soluble and 99.99+% of it can be removed using water. The ReAcT2™ layer is...
It's a difference between his pictures - the lighting is too strong in the after pics and cutting through the patina.
Worked better than I thought it would. Some of the reverse verdigris looked really heavy. Thanks for sharing!
OK, stop confusing people Rusty! LOLOLOL The product is VERDI-CARE, VERDI-CHEM is the name of my company. :)
Come on Doug, call it what you always do - CLEANING! :p:D
VERDI-CHEM is the name of my company. The product name is VERDI-CARE. Due to this confusion, I recently modified my label. Hopefully, this will...
The product is not "wearing off" like Rick said, it is drying and polymerizing during the 24+ hour period. You cannot "over dry" but most of the...
Doug - As you probably know, PCV residue contains hydrochloric acid. It reacts with copper to form copper chloride = verdigris. While I do agree...
Very nice conservations! CONGRATS I love seeing results. You're a great customer - followed directions and did everything right! :cool: PVC...
Ouch, harsh grade...it's the luster and the spots in the right obv field IMO. There's barely a nick on that coin!
The pictures made the fields look worse than they actually are. The slab pic is probably closer to how it looks in hand.
Couple of distracting marks, forehead and reverse field.
details!
PERFECT explanation! I don't see anything bad in the pictures. That coin could easily pass the next time - crack it out and let nature restore...
I wonder if it smells bad?
66++
I agree, that's a 65 coin. I just had a feeling they'd drop it.....bad grade IMO.
Separate names with a comma.
