Watch List notes:

ANCIENT COINS. Roman Coins. Mint of Rome unless otherwise stated. Diocletian (A.D. 284-305), Gold Aureus, 5.81g, 12h.Struck A.D. 286.IMP C C VAL DIOCLETIANVS P F AVG, bust of Diocletian facing right, laureate and cuirassed. Rev. IOVI CONSERVAT AVGG, Jupiter standing left, holding a thunderbolt and a sceptre (RIC 134; Calicó 4465a; C 216).A wholly exceptional example, very well-struck on a broad flan with full borders visible, lustrous, good extremely fine and of medallic proportions, a superb coin.Rare.
Ex Distinguished American Collection, Leu Numismatik 52, Zürich, 1991, lot 262
Ex Numismatica Ars Classica, Auction 38, Zürich, 21 March 2007, lot 198
Part of the Aurora Collection.

Estimate: US$ 20,000