Cloth Seal, RW CH, Image by StuE, Found by Long Shadow.
Found in or around the Colchester region.
The letter I is raised on the rivet of this seal and on the other side is a cross with the letters R and W in the upper quadrants. The lower quadrants also have letters in but are not clear, possibly a C in the third quadrant.
London Dyers' Company seal. RW / CH in quarters of foliated cross - No.72 Fig.36 Geoff Egan's 'Lead Cloth Seals and Related Items in the British Museum' Occasional Paper 93. Dates are known on other examples from 1613 to 29.