Watch List notes:

Gallienus, 253-268. Aureus (Gold, 19 mm, 2.25 g, 11 h), Rome, 253-254. IMP C P LIC GALLIENVS AVG Laureate and cuirassed bust of Gallienus to right. Rev. IOVI CONSERVATORI Jupiter standing front, head to left, holding thunderbolt in his right hand and scepter in his left. Calicò 3521. MIR 23p (1 example, same dies). RIC 77. Of the highest rarity, perhaps the second known example. A lovely coin with a charming early portrait. A few minor marks on the reverse, otherwise, extremely fine.