Watch List notes:

Gallienus, 253-268. Antoninianus (Silvered bronze, 20 mm, 3.36 g, 12 h), Siscia, 263. GALLIENVS AVG Radiate head of Gallienus to right. Rev. [VIRT]VS AVG Mars (or emperor), helmeted and in military attire, standing front, head to left, holding globe in his right hand and long scepter in his left; to left, captive kneeling right with raised arms; to right, captive seated right in attitude of mourning. Cohen -. MIR -, cf. 1405 (figure on reverse not helmeted). RIC 590 var. An apparently unpublished variety of a very rare type. Minor areas of weakness, otherwise, good very fine.