The mintmark is unclear, but it is not from the four mints around the Bosporus (Heraclea, Constantinople, Nikomedia, Cyzicus) which used the...
What is under the surface of a repatinated coin? I took these coins and found out, documenting the process. [ATTACH] [ATTACH] Take a look...
Many coins on the market have been "repatinated" in one way or another. Here is a coin I bought recently that I like a lot, but the surface is...
Alan Walker of Nomos wrote an email advertising Auction 37 with observations about collecting https://nomosag.com/auction I thought it was...
Here is my list of reputable places to shop other than eBay: http://augustuscoins.com/ed/dealers.html It is long and close to exhaustive.
[ATTACH] I just added eight ancient-coin books for sale to my page: http://augustuscoins.com/numislit.html Some are elementary, and some very...
Here is a page on anonymous folles: http://augustuscoins.com/ed/ByzAnon/ The OP coin is Class A2, struck 976-1025 or later. Most were struck...
I think it is genuine. It is the most common Sasanian type of which very many are offered every month. Not only does it look genuine, but I think...
TR P XVIII corresponds to 215, so your nice example is from the first year of issue. Here are some others from that same year, with Jupiter and...
What was the complete exact prompt to Chat GPT that yielded that response?
I have a web page on the types that commemorate the founding of Constantinople: http://augustuscoins.com/ed/CON/Founding.html [ATTACH]...
Separate names with a comma.