Stefan Proynov: My coin is a gift from Kostadin Vezyov – collector number one not […]
My name is Stefan Proynov and I am an expert in ancient and ancient art […]
Stefan Proynov I want to show you some bronze medallions from the era of late […]
Stefan Proynov: I have known Peter Petrov – Petronius for more than 20 years. I […]
Stefan Proynov once again introduces us to the depths of numismatics with interesting facts. The […]
Stefan Proynov, an expert in ancient and ancient art from Europe, puts China first. China […]
Stefan Proinov: He stood up and told them Stefan Proinov is an expert in ancient […]
5 Cents “Liberty Nickel” Have you ever looked at a coin for which there is […]