I had heard of these through Jeff Shevlin's book about Charbneau so called dollars but I never knew how pricey they were until I was able to buy one and look them up! At the time I was disappointed cause mine is only Sterling silver but I found out that's okay as they're still desired by many. Just sharing, just a quick pic! Jeff is a coin club member and very knowledgeable and approachable, his book is top shelf information on SCD's if you're interested! https://www.ebay.com/sch/i.html?_fr...570.l1313&_nkw=charbneau+dollars&_sacat=11116 https://www.so-calleddollars.com/Events/Golden_Gate_Exposition.html
Things that come to mind based on your pic's fret.......Nuevo, retro, Aztec/Mayan......just the musings of an old fellow. How big across (mm) is that piece of yours? Edit to add: Never mind, I clicked your link and received the info that I required. Outstanding designs!
Yes, I should have included the size as these are tiny like the size of an 1849 gold dollar coin or around 12mm. Unique look on the obverse, looks similar to a Aztec/Mayan design but to me it has that 70's hippy look!