SPAIN. Uncertain. Augustus, 27 BC-AD 14, or Gaius (Caligula), 37-41. Weight of 1 Libra (Lead, 49 mm, 311.56 g, 2 h). Laureate head of Augustus or Gaius to right. Rev. Bull standing left. CPAI -. Pondera -. Unpublished and unique. Flan crack, otherwise, very fine.
The portrait on this impressive Roman lead weight must be that of Augustus or Gaius. Originating most likely in Spain, where a very similar bull appears commonly as a reverse type on Provincial coins, it is a weight of 1 Libra, or one Roman pound.