ROMAN EMPIRE: glass disk (2.29g), 3rd-5th c. AD, head in circle to right (Hercules?)/bust to right in square (Nike?), light green, transparent, slight devitrification, About Good to Good.
Member:
American Numismatic Association
American Numismatic Society
Oriental Numismatic Society
California State Numismatic Association
Royal Numismatic Society
International Association of Professional Numismatists
Mumbai Coin Society
Florida United Numismatists
Royal Canadian Numismatic Association