Leo III and Constantine V, AE Follis. 
LEON S CON, Leo, bearded on left and Constantine V, sometimes bearded, 
on right, each crowned and wearing chlamys, and each holding akakia / 

Large M, XXX to left, cross above, NNN to right, A or B below. 

SB 1516, DOC 38-39

Courtesy of Wayne Phillips on vcoins.com, Nov. 2010