ORC3022 Caligula AE21 Sidon US $55.00 Aug-13-04 Classical Cash ORC3022 Caligula AE21 Sidon F Caligula, Æ21, (7.15g) Sidon, Phoenicia, Laureate bust right. / Europa seated on bull, holding his horn. RPC 4612; BMC 208. F, rough green patina.