Cloth Seal, Dyer's One-Part Seal, WG, Image & Found by Jason Sandy.
Found on Thames foreshore near Swan Lane between London Bridge and Cannon Street Bridge, 12mm.
Privy mark, stylised 4 with base on heart bearing WG // blank
Dyers one-part (bulla type) seal, Very similar to those shown in Fig.37 in Geoff Egans 'Lead Cloth Seals and Related Items in the British Museum' which he categorises as a dyer's one part seals found ‘in some numbers ... from Trig Stairs to London Bridge’. He dates them from the late 16th to 17th centuries.
