My source? I don't need one other than my 25 years experience as a chemist and coin conservationist. Electrolysis is the harshest cleaning method...
I guarantee PCGS doesn't use electrolysis to conserve coins.
Very nice!
Nice find!
[ATTACH] [ATTACH] [ATTACH] Many different colors!
I like the idea! It at least puts the coin into a place where another collector might not get burned.
Stunning!
I can see the luster, nice example in red!!
It doesn't really matter how it toned, it all comes down to market acceptability and this type of toning is accepted.
Nice example....under-graded by PCGS, probably based purely on luster. Generally, all 1916's are sharply struck since new a master hub was used.
Stunning Lincoln!! Even though it's under-graded, 65+ for eye appeal in my books. Thanks for sharing!
Very good summary quarter-back! I appreciate the detail and thought put into the review. Very honestly written! Thanks
The luster is flat, a REAL red IHC in original condition should have cartwheel luster and I don't see any indication on the given picture. Any...
That is pathetic, a perfectly good IHC was ruined in the process. Looks to have first been harshly cleaned and then AT'd.
It's more about the thickness/degree of the verdigris than the amount. The severity of the verdigris (light, moderate, heavy) is an important...
VC is safe with any type of container but we generally recommend glass because it's the most inert and safest. To really conserver product, you...
Silver! Great find!
Wow, that's absolutely horrible! He wouldn't have walked out of my LCS. Everyone in there is carrying.
Classic TPG woody bias. MS-64
While I have no interest in paying an exuberant price, I think the publicity is good for the hobby.
Separate names with a comma.