Cloth Seal, Cloth Worker's Personal Seal, Privy Mark, FOP, 1500~1700

Cloth Seal, Cloth Workers Personal Seal, Privy Mark, FOP, Image by StuE, Found by Nasher.
Found near Baldock, Hertfordshire, 22mm, 9.9g.

Privy mark with F P to sides // R stamped, 28 1/2 scratched

Privy mark consisting of 4 with extended vertical terminating on XX. At the middle a small O with two 'ears' has the letters F and P attached by a bisecting horizontal line. The scratched number is commonly the length of the cloth, 28.5 yards.