Watch List notes:

Constans caesar, 337 – 350. Solidus, Siscia 337-340, AV 4.51 g. FL IVL CONS – TANS P F AVG Laureate and rosette-diademed, draped and cuirassed bust r. Rev. FELICI – TAS – PE – RPETVA Constantine II nimbate and enthroned facing raising r. hand in benediction; inscribed on his footstool, VOT V. Facing him at his sides, Constantius II and Constans; both enthroned, diademed and holding mappa. In exergue, SIS*. C 27. RIC 18a. Depeyrot 4/1.
Extremely rare and a very interesting reverse composition. A graffito on obverse field
and an almost invisible nick on neck, otherwise good extremely fine

Ex NAC sale 75, 2013, 325.