The rivet disc from a two disc, double rivet crown bay seal of the Colchester Dutch community. This rivet disc (double rivet) stamped with 15 71 to sides of an ornate shield bearing three crowns, ... (C)OLC(HESTER) ... around. Cloth imprint on the back. The date refers to the year in which the Dutch-community in Colchester established their textile manufacture on a properly regulated basis.
