Augustus and Caius Caesar, AE22 of Thessalonica, Macedonia. 8.69 g. 

QESSALONIKEWN, Laureate head of Augustus right.
GAIOS SEBASTOY YIOS, bare head of Caius Caesar right.
     
RPC 1564; BMC 73.

With permission of Nomos AG obolos 27, Lot 470, March 2023..