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Smyrna, Ionia. AE20, semi-autonomous issue. Time of Gordian to Valerian. 4.95 g. 

IERA CYNKLHTOC, Laureate and draped bust of the Senate right. Countermark: D in circular punch (Howgego 791). 
CMYR G NEWKORWN, tetrastyle temple with Tyche standing within, holding rudder and cornucopiae.  

Ex. Lindgren II 556; BMC 233.