Cloth Seal, Dutch, Leiden, L37, Image & Sent by Martijn.
Found Nearby Utrecht, Diameter about 30mm.
Arms of Leiden in ornate shield, crown above inscription around - LEYDEN and then several more characters missing or undecipherable ending in (W?)T. The other side has .L. / 37 and a six petalled flower head with 6 in a square stamp.
From the sender - "(Length 37 el, 6 assigns the amount of threads used)"
