Watch List notes:

ANCIENT COINS. BRITISH Catuvellauni, Andoco (10 BC - AD 10), Silver Unit, bearded head left, A behind, within border, rev AND-O-C, Pegasus left, ring behind, 0.95g, 3h (VA 1868-1; BMC 2018; S 264; ABC 2721). Toned, good very fine / very fine and very rare.
ex Spink NCirc, volume CXII, no.5, October 2004, CC0106

Estimate: £200-300