John Sharp & Sons Seal. Found & Image by BobHoe.
"Says 'John Sharpe & Sons, Bardney, World Famous Seeds'. Guess what? - found at Bardney" (Lincolnshire).
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