Sharpe & Sons Seal, Image by StuE, Found by Adam & Lisa.
Found in Derbyshire, 18.5mm, 8.3g.
With the help of another seal:- Straight across the middle between raised lines is BARDNEY. This intersects a double ring with the following written between them - JOHN SHARPE & SONS in the top half and WORLD FAMED SEEDS in the bottom.
Bardney Canning Factory 1909 The building was originally a pea and potato store for Mr John Sharpe and Son (Lord of Bardney Manor), a seed grower and merchant. Link