Trivia Question: Which country in Central America, South America or is it Mexico that has the biggest group of core serious collectors which...
IMO its not so much TPG sells better but most people get on the band wagon of common coins in uncommon grades. To me this has been dangerous and I...
Since the demise of the original Coin Care and Freon TF IMO there never has been a suitable product for cleaning coins. You also have to take into...
I developed a cleaning process over the last 40 years but my posts normally get killed as the Moderator suspects self-promotion. Contact me...
I developed a cleaning process and would welcome some challenge coins. LOL However, I do ask for a photo as you can not obviously REVERSE surface...
Ship them to John Lorenzo, Numismatist, United States. PM me privately. I developed a new process - but yes that first one is bad. See this coin...
See my post under the Main Forum under Coin Community Forum on the outcome of this piece. CUrrently experimenting with water and hydrogen peroxide...
I have developed a new process. In 2-3 weeks my profile picture will have a new look and will post to the Coin Community Forum. my latest...
See this recent article published in the Newman Numismatic Portal. Check out the key reference in the paper and it explains at least for Zacatecas...
Well living in NJ we were all taken back what has happened in Freehold, NJ (Central NJ) where the virus has HIT VERY HARD one family to the point...
Although someone related to toning see my new research article "just" posted on the Newman Numismatic Portal here:...
As noted in Forgotten Coins in the World Section gold wash or gold plated contemporary circulating counterfeits favor a copper host. Silver or...
As another point of view if you decide to leave your coin collection to an heir be sure they are trained and well communicated to on how to sell...
THis is why I never push my copper cleaning product ... since the removal of Freon TF from the original Coin Care awhile ago we have currently...
See my book on Amazon Books = Forgotten Coins. Its not about Ancients but INDIRECTLY the processes are discussed of silver plating and mercury...
On January 9 I will be at the Chinese counterfeit talk at the FUN Show which is at 12:30PM. I will be giving out some free CDs of my new book...
As usual GD the Moderator is spot on ... this method would/could? remove carbon spots but you would likely kill the natural copper reddish tone...
For those who read Gurney's book on Counterfeit 8's after Sheffield Plating electroplating in a cyanide bath was used to silver electroplate many...
Separate names with a comma.