Watch List notes:

GAUL, Northeast. Ambiani. 2nd century BC. AV Quarter Stater (14mm, 2.03 g, 10h). Somme Valley – Trumpet Type, Class Ib. Celticized head of Apollo right / Celticized horse right; above figure seated right, blowing trumpet; sickle-shaped ornament to right; below, figure seated(?) facing, holding up both arms and extending fingers to belly of horse. Scheers Series 3, Class III, var. b, pl. II, 32; Sills dies 4/5, pl. 7, 209; Depeyrot, NC VII, 142B; D&T 24; de la Tour – (Muret 10255); Flesche –. EF, struck with worn obverse die. Extremely rare, only six noted by Sills, including the five noted by Depeyrot.