Watch List notes:

ANCIENT COINS, CELTIC, Gaul, Celtic, Ambiani (North East France), Copper Unit, duck left, rev horse right, bird above, 2.27g (Sch/GB fig 432; BMC III S22; DT 430). Corroded, fine, very rare.
ex Liz's List 42, August 2009, no.22
Found near Sandwich, Kent, February 1999 (CCI 04.0227). An interesting find spot for a continental issue.

Estimate: £80-100