Watch List notes:

Otho. AD 69. AV Aureus (19mm, 7.19 g, 6h). Rome mint. Struck 15 January-8 March. IMP OTHO CAESAR AVG TR P, bare head right / PAX ORB IS T ERRARVM, Pax, draped, standing left, holding olive branch in right hand and caduceus in left. RIC I 5; Muona Group 2, Type 7A, Portrait Type B; Calicó 525; cf. BMCRE p. 364, note ‡; BN –; Biaggi –. Minor marks, traces of deposits. Fine. Extremely rare. This is likely the 4th known.

The other three known examples are: Triton I (2 December 1997), lot 1348; OGN Numismatique - Pierre Crinon (19 October 2016), lot 238; An example in the Brussels Coin Cabinet, seen by Jyrki Muona and cited in his study.