Constantine V & Leo IV - Leo III. AD 751-775 AD. Constantinople mint. 

Obv: CONSTANTINOS S LEON O NEOS, crowned facing busts of 
Constantine, with short beard, on left and Leo IV, 
unbearded, on right; each wearing crown and chlamys; dot 
between heads, cross above. 
Rev: G LEON PA MUL B, crowned facing bust of Leo III, 
wearing loros and holding cross potent. 

Sear Byz. 1551; BMC 10; DOC III 2c.
Scarce type with B at the end of the rev. legend.

With exclusive permission of TimeLine Auctions (www.timelineauctions.com), Jun, 2014