Cloth Seal, Bristol Arms, Stuart Arms, Image & Found by Doug.
Found in Somerset, 22mm, 5.2g.
Ship on water and issuant from a tower // missing but rivet stub stamped with section of the Stuart Arms of Britain
The extra image (by StuE) of the rivet seal face, highlights the prow of the ship, which is weakly struck.
Probably an early Stuart alnage seal. There was legislation in 1483-4 requiring the arms of the place of origin on one side of a cloth seal and the arms of the realm on the other but this seal, being at least 120 years later in date, is unlikely to be connected to this ruling. See BSG.CS.01895.