Watch List notes:

Heraclius, with Heraclius Constantine. 610-641. AV Solidus (19mm, 4.44 g, 7h). Constantinople mint, 6th officina. Struck 629-631. Crowned facing busts of Heraclius and Heraclius Constantine, each wearing chlamys; cross above / Cross potent set on three steps; K to right; ς(retrograde)//CONOB. DOC 30 var. (unlisted officina); MIB 37a var. (same); SB 751 var. (same). Lustrous. In NGC encapsulation 6558178-009, graded Ch AU, Strike: 5/5, Surface: 4/5. Extremely rare in this officina. Only this example in CoinArchives.

From the Gasvoda Collection. Ex El Medina Collection (Classical Numismatic Group Electronic Auction 479, 21 October 2020), lot 247.