Iron Age Celtic 'South Ferriby' Stater Test Strike 1st century B.C. A lead pellet with flattened face bearing a test strike for a stater of South Ferriby type with stylised horse, star and pellets. 30 grams, 22.30 mm (7/8 in.). Found Navenby, Lincolnshire, UK. Ex Ancient World, Lincolnshire, UK. Accompanied by an old dealer's ticket including provenance. South Ferriby type staters are conventionally dated to the period 45-10 B.C. [No Reserve]