David Harper Numismatic Predictions 上市 Deposited
David Harper, Editor, Numismatic News has been in the numismatic hobby for more 40 years. His experience leads him to share predictions about the price of gold in 2040, changes in coin shows and conventions, changes in coinage and packaging, and the demise of numismatic print publications. Speaker(s): David Harper.
- 2015-05-31
- 0
