Watch List notes:

CONSTANS II, with Constantine IV, (641-668 A.D.), gold solidus (4.52 g), Constantinople mint, 7th officina, struck 654-658, obv. crowned busts of Constans, wearing long beard, and Constantine facing, both wearing chlamys, cross above, around DN COSTANTINUS C CONTAI, rev. cross potent set on three steps, around VICTORIA AVGUZ (Z reversed), in exergue CONOB, (S.959, DOC 25g variety, MIB 26). Extremely fine, with mint bloom and very scarce.

Ex Dr V.J.A. Flynn Collection and CNG Triton Auction XVIII Sale, 5 January 2015 (lot 1312), with ticket.