Hermaeus AE Tetradrachm, 9.04 grams, 23.83 mm. Baktria. 20-40 AD (Posthumous).

Obverse: BASILEWS SWTHPOS ERMAIOU, diademed bust of king right. 
Reverse: Karosthi legend "Maharajasa tradatasa Heramayasa", 
Zeus, laureate, seated left on throne with back, his right hand 
outstretched and holding sceptre in left.

P over X in square monogram to left; uncertain letter to right.

BOP 20; BMC 26; Sear 7738.

Courtesy of TimeLine Originals (www.time-lines.co.uk), Apr. 2010