Arab-Byzantine imitation Follis of Constans II. 650-680 AD.

NTT NIK to left and right of Constans, crowned and 
wearing chlamys, beardless, standing facing, holding long 
cross and cross on globe.
Large m (lower case), AKN to left, cross above, A4A to right, 
TSON below. 

Goodwin Type E; 
Contributed by George Clegg (biggyg2), September, 2011