What should I look for when buying a coin?

What do grades such as ss, vz, or mint state mean?

Are all coins in the shop checked for authenticity?

What is the difference between circulation coins, commemorative coins, and minting errors?

What role do Jaeger, KM, or other catalog numbers play?

Can I receive more photos or information before buying?

Wie setzt sich die Franquinet-Artikelnummer zusammen?

Jägernummern: Schnellübersicht (Cheat Sheet)