Four-piece bronze mold for the top chamber pot, mold casting tool tools equipment base metal bronze, cast turned Four-part bronze mold for top collar of chamber pot with two reinforcement edges at the bottom core: 2834 443 Rotterdam tin foundry tin pourer tin casting Meeuws Druy craft 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.