Valentinian III, AE Follis, 20 mm, 4.99 g. Constantinopolis, ca AD 437. 

D N VALENTINIANVS PF AVG, Pearl-diademed, helmeted and 
cuirassed bust right, holding spear pointing forwards in 
right hand and shield in left.
CONCORDIA AVG, Theodosius II and Valentinian III standing 
facing, each holding spear and supporting long cross between them. 

Mintmark CONS (N retrograde).

RIC IX 461.
Very rare.

With permission of cngcoins.com, auction 437, Lot 525, Feb 2019.