Watch List notes:

Domitian caesar, 69 - 81. Aureus 73, AV 7.24 g. CAES AVG F – DOMIT COS II Laureate head r. with slight beard. Rev. Domitian on horseback l., raising r. hand and holding in l. hand sceptre. C 663. BMC Vespasian 123. RIC Vespasian 540. Calicó 812b. CBN Vespasian 104 var. (different arrangement of obverse legend).
A very rare variety. Struck on a broad flan and extremely fine

Ex Gorny & Mosch sale 232, 2015, 423.