Proctor & Ryland Bag Seal, Image & Found by Aleksandr.
Found on the Staffordshire / Shropshire border.
Both sides have a raised circle border, inside one is a plough and the inscription, REGISTERED above and TRADE MARK below. The other has PROCTOR & RYLAND in three lines across the middle and inscribed around this .MANURE MANFRS. above and SALTNEY CHESTER below.