Watch List notes:

Leo III, the Isaurian. Gold Solidus (4.44 g), 717-741. Constantinople. C N LEO-N PA MЧL', crowned and draped bust of Leo III facing, holding globus cruciger and akakia. Reverse: C N CONS-τANτINЧS, crowned and draped bust of Constantine facing, holding globus cruciger and akakia. DOC 7a; SB 1504. Scarce. NGC grade Ch XF; Strike: 4/5, Surface: 2/5. Edge mark. Our grade is Sharpness of Very Fine. Estimated Value $350
Ex The William Oldknow Collection.