Watch List notes:

KINGS of ARMENIA MINOR. Aristoboulos. AD 54-92. Æ Oktachalkon (24.5mm, 10.56 g). Uncertain date. Diademed head left; [date in legend below]; c/m: [monogram] within square incuse / [Uncertain legend within wreath]. Cf. Kovacs 299 and 301; cf. Hendin 6285–7; cf. RPC I 3839 and II 1692. Earthen dark green-brown patina. Fair. An affordable example of this rare type.

Ex Leu Numismatic Web Auction 15 (27 February 2021), lot 692.