Hendrik van der Pol, Two-piece bronze mold for base of jug or pot with initials HVDP and 1783, cast molding tools tools base metal bronze wood iron, cast turned Two-piece bronze mold for pouring foot for pot or pot. signed, and year 1783 (Hendrik van de Pol) Rotterdam tin foundry tin stain tin Meeuws Druy craft Shapes are 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.