The pill box is continental in origin, almost certainly Italian, and was imported into the UK by G.M. Silverware and assayed in Sheffield in 1995. The hallmarks, on the underside of the base, are necessarily small but clear to read with a magnifier.
VINTAGE STERLING SILVER PILL BOX Sheffield 1980
Vintage Sterling Silver Pill / Trinket Box – Hallmarked 1994
Vintage Sterling Silver Pill Box by C M E Jewellery Ltd 1995
Lot of 2 Vintage Sterling Silver Pill Boxes Different Designs
Vintage Sterling Silver Pill Box Birmingham 1998 17g
Sterling Silver Pill Box – Cloud Shape – Opal Cabochon – 1.5" – 10g – Vintage