Watch List notes:

Tacitus. AD 275-276. Antoninianus (21mm, 3.66 g, 5h). Cyzicus mint, 3rd officina. 1st emission, AD 275. IMP C M CL TACITVS AVG, radiate, draped, and cuirassed bust right / CONSERVAOR (sic) MILITVM, emperor standing left, holding scepter, receiving globe from Mars, standing right, holding spear; Γ//KA. RIC V –; BN 1800 var. (officina Є); RIC V Online temp. no. 3933 (see note for engraving error). Near EF, silvered, light porosity.

From Group SGF.