290 AD., Diocletian, Rome mint, silvered Æ Antoninianus, RIC 168 var.

Diocletian, Rome mint, officina 3, 290 AD.,
silvered Æ Antoninianus (21-24 mm / 3,85 g),
Obv.: IMP DIOCLE - TIANVS AVG , his radiate and cuirassed bust facing r. (front view).
Rev.: IOVI F-VLGERATORI / XXI Γ , Jupiter standing facing, head right, left leg drawn back, right hand raised about to hurl thunderbolt right, chlamys draped over left arm and flying out to right, eagle at foot to left, XXI Γ in ex.
RIC V/2, 237, 168 var. (officina B only, British Museum) ; obverse die (but officina 1): http://wildwinds.com/coins/ric/diocletian/RIC_0168v.jpg - a different officina 3 reverse: http://wildwinds.com/coins/ric/diocletian/RIC_0168v,G.jpg .
Rare .