Republican moneyer, presumably the father of the Cn. Calpusnius Piso who was Consul in 139. He may also be the son of the Cn. Calpurnius who was an officer during the Second Punic War.
Appearance: CN·CALP (CALP ligatured)
Mint: Rome
Nomisma ID: cn_calp_rrc
British Museum Identifier: 174500
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