Cloth Seal, Cloth Worker's Personal Seal, Privy Mark TH, Image by StuE, Found by Nasher.
Found near Baldock, Hertfordshire, 22mm, 6.9g.
Rope circle border contains privy mark based on number 4 with curls and loops and the letters TH either side of the extended down leg. The other side has lines scratched into it - 70/2 ?