Vespasian, AE As. Asia Minor uncertain or Ephesos mint, struck AD 77-78. 28 mm, 11.69 g. 

IMP CAESAR VESPASIAN AVGVSTVS, laureate head right.
PONT MAX TR POT PP COS VIII CENS around, S-C across fields, Jupiter seated left, holding thunderbolt and sceptre. 

RIC 1502; RPC II 1475.
Very rare.

With permission of Leu Numismatik auction 6, Lot 917, Dec. 2018.