Watch List notes:

Leo III the "Isaurian", 717-741. Solidus (Gold, 19 mm, 4.39 g, 6 h), Constantinople, 1st officina (A), 717-720. d N D LEON PA MЧLA Crowned bust of Leo III facing, wearing chlamys, holding globus cruciger in right hand and akakia in left. Rev. VICTORIA AVςЧ / AC/CONOB Cross potent on three steps. DOC 2 var. (officina not recorded). Füeg 1.B.11. MIB 1. SB 1503. Rare variety with the letter C following the officina mark. Extremely fine.
From the B.L. collection, Switzerland.