Galba. 68-69 AD. Denarius, Tarraco ? mint. 

GALBA IMPER, Galba, in military dress, on horseback 
rearing left, right hand raised.
VIRTVS, helmeted, draped bust of Virtus right. 

Sutherland 4 in Quad. Tic. XIII.

With permission of Numismatica Ars Classica auction 106, Lot 583, May 2018

Sutherland, Supplementum Galbianum in QT XIII, 1984, p. 171 and pl. I, 4. 
Exceedingly rare, less than ten specimens known
Estimate: 7000 CHF.