Watch List notes:

Trebonianus Gallus, 251-253. Sestertius (Orichalcum, 28 mm, 16.45 g, 6 h), Rome, 251. IMP CAES C VIBIVS TREBONIANVS GALLVS AVG Laureate, draped, and cuirassed bust of Gallus to right, seen from behind. Rev. VOTIS DECENNA LIBVS/S-C in four lines within wreath. Cohen 137. RIC 127a. Scarce example with an interesting reverse. Struck on a tight and irregular flan, otherwise, good very fine.