Production place
- Byzantium (ancient city)1 objects
- Caesarea Paneas (ancient city), Trachonitis1 objects
- Caesareia (ancient city), Cappadocia4 objects
- Calcutta mint (historic place), Kolcata, India1 objects
- Cales (ancient name) Campania, Italy1 objects
- Cales (ancient place)1 objects
- California1 objects
- Canada1 objects
- Cappadocia1 objects
- Carabaca, Hispania1 objects
- Caria, Anatolia, Turkey1 objects
- Carrhae (ancient place)2 objects
- Carson City Mint, Carson City, Carson City County3 objects
- Carteia (ancient city), Bay of Gibraltar, Spain5 objects
- Carthage, Tunisia5 objects
- Carthago Nova (ancient Cartagena), Hispania Citerior6 objects
- Casa de Moneda, Zacatecas, Mexico2 objects
- Cascantum (ancient city), Hispania Citerior1 objects
- Castulo (ancient place), Hispania Citerior3 objects
- Central America1 objects