With Leo IV. Constantinople, ca. 751-757 AD. AU solidus, 4.40 gr., 20.9 mm.
Obv: COҺSTAҺTIҺOS S LЄOҺO ҺЄOS; crowned, equal busts of bearded Constantine V, left, and Leo IV, beardless, right, facing and wearing chlamys; between their heads: cross and dot.
Rev: C LЄOҺP A MЧL; crowned bust of Leo III facing, with loros and cross potent on base.
Ref: Sear 1551.
Constantine V, one of the iconoclast emperors, got his nickname “Kopronymos” because he was supposed to have deficated in the font during his baptism.