Kitchin Seal, Image & Found by Martin Walker.
Found near Glasgow, 21mm 7g.
-.- / (S?) KITCHIN / -.- // blank (broken and with holes)
No product, company or organisation has been connected to this seal.
One possibility is S. and J. Kitchin "of Soho Cutlery Works, Sheffield (1892) of Broadfields, Sheffield (1951), Cutlery.