Welcome. As you can see here, the bullion value is about $207 U.S. I see a 1977 of the same coin on Ebay selling for $299 with nobody bidding on it.Frankly, Its worth what someone is willing to pay.https://en.numista.com/catalogue/pieces74840.html
Status changed to Solved(jcoins, 14 Apr 2019, 01:40)