Justinian I, AV lightweight solidus (22mm, 3.75 g). 
Constantinople, AD 545-565. 

D N IVSTINI-AVS P P AVG, pearl-diademed, helmeted and 
cuirassed bust facing, holding cross on globe in 
right hand and shield decorated with horseman on left arm.
VICTORI-A AVGGG and officina letter I, angel standing 
facing, holding long cross and cross on globe; star in right 
field.
Mintmark OB XX.
MIB 15; Sear Byz. 142.

With permission of Heritage World Coin Auctions, Sept. 2014.