Clay's Fertilizer Seal

Clay's Fertilizer Seal, Image & Found by Vic Paine.
Found in Firle, Sussex, 20mm.

CLAY'S curving down / LONDON / FERTILIZER curving up // CLAY'S curving down / LONDON / FERTILIZER curving up

Clay's fertilizer appears to have been popular with gardeners in the late 19th and early 20th century as these old adverts show - Alamy and Graces Guide.