Three parts of four-piece bronze mold for screw cap of jug, mold casting tool tools equipment base metal bronze, cast turned Four-piece bronze mold for casting screw cap with molded ring with vertical edges on the outside for better grip of jug of Rotterdam tin tins tinplate tin tableware Meeuws Druy artisan Forms come from the originally 18th century Rotterdam tinnegieter J Druy. The large molds that were not signed or dated were the property of the tinker guild and were rented to the small tin caster.