Postumus, Bi. denarius, from aureus dies. Cologne. AD 260-269. 4.67 g. 

VIRTVS POSTVMI AVG, helmeted, cuirassed bust right.
VICTORIA AVG, Victory, holding whip, in galloping biga right.

Cohen 399; Hoffmann 1942 (this coin). RIC V-II 42 var (aureus); Elmer 174 (ditto); 

With permission of Paul-Francis Jacquier Auction 42, lot 509, Sept 2016.
Ex Hoffmann collection, sold at Rollin & Feuardent auction, lot 1942 (1898)