Constantine V and Leo IV. 751-775 AD. AE Follis. Syracuse mint. 

K-LEWN to right and left of Constantine V, bearded on left, 
and Leo IV, beardless on right, standing facing (usually 
three-quarter length), each wearing crown and chlamys and 
holding akakia in arm across their chests; cross between 
their heads.
LEON-DECP downwards to left and right, Leo III, 
bearded, half-length, standing facing, wearing crown 
and chlamys and holding cross potent. 

SB 1569, DOC 19.

With permission of Pegasi Numismatics Auction 140, lot 482. August 2011.