Constans II. AE half follis, Syracuse. AD 641-668. 2.47 g. Syracuse mint. Dated regnal year 7, AD 648-649. 

Crowned facing bust, with short beard, holding cross on globe. Star in right field. 
Large TKw monogram, AN to left, Z to right. 

SB 1112; DOC II 182b; MIB III 211. 

With permission of cngcoins.com, Mail Bid Sale 70, Lot 1088, Sept 2005