Watch List notes:

Constans II. 641-668. AV Solidus (18mm, 4.44 g, 6h). Constantinople mint, 7th officina. Struck 651/2-654. Crowned bust facing, wearing chlamys and holding globus cruciger / Cross potent set upon three steps; (retrograde Z)//CONOB. DOC (19g); MIB 23; SB 956. Good VF, very light earthen deposits on reverse. The officina is largely off the flan. Out of the officinae listed in SB, Z seems most likely, but it could perhaps be Δ.

From the Dr. Lawrence D. Sporty Collection. Ex Classical Numismatic Group Electronic Auction 254 (20 April 2011), lot 385.