Extremely rare Vespasian denarius

Orfew

I picked this up in an auction last month. There is no photo of this coin in the 2007 edition of RIC II part 1. I sent a picture of the coin to one of the co-authors. Currently this is the only known example.

Vespasian (69-79). AR Denarius (18.08mm, 3.50g, 6h). Rome, AD 75.
Obv: Bare head l. R IMP CEASAR VESPASIANUS AUG
Rev: Pax seated l., resting l. elbow on throne and holding branch.
PON MAX TRP COS VI
RIC II 773 (this coin); RSC –. Extremely Rare variety, near VF.
Ex Vecchi sale 13, 1998, 757.
Ex: St Paul Antiques auction 7 Lot 285 June 11, 2017