Leo III the Isaurian, AD 717–741. AV solidus, 18 mm, 4.20 g. 

D NO LEON P A MyI, crowned facing bust, wearing chlamys
and crown with cross on circlet, holding cross on globe and 
akakia. 
VICTORIA AVGU and officina letter A, cross potent on
three steps. 

BMC 5-7; MIB 1; Sear 1502. 

With permission iNumis - Mail Bid Sale 23, Oct. 2013.