Augustus, AE17 of Thessalonica, Macedonia. 27 BC-AD 14. 

SEBASTOS, bare head right. 
QESSA-LONIK-EWN in three lines within wreath.

RPC I, 1558; Paris 1296; Varbanov 4141.

With permission of Gerhard Hirsch Nachfolger Auction 338, Lot 516, May 2018.