eBay sale by "augustus", 5. March 1999.
$64.70

Tacitus AE Antoninianus. Serdica mint. 

IMP CM CL TACITVS PF AVG, radiate, draped, cuirassed bust right.
PROVIDEN DEOR, Providentia standing right, holding two standards,
 facing Sol, standing left, holding globe and raising right hand.

Mintmark KA delta.

Estiot 2402, La Venera 1835.
Rare.