Heraclius and Heraclius Constantine AV Solidus. 610-641 AD. 4.23 grams, 20.02 mm. Constantinople Mint. 

Obv: dd NN hERACLIYSET hERA CONS PP AVC, facing busts of 
Heraclius and Heraclius Constantine, (busts of similar 
sizes), each wears chlamys and crown with cross on circlet, 
Heraclius has a long beard and whiskers, his son usually has 
a slight beard and moustache; cross between their heads.
Rev: VICTORIA AVGU and officina letter, Cross potent on base 
and three steps; (sometimes with a dot to left or right), 
mintmark CONOB.

Courtesy of TimeLine Originals (www.time-lines.co.uk), Nov, 2010