Andreas van Duyveland, Two-piece bronze mold for bottom of jug with initials AVD, mold casting tool tools equipment base metal bronze wood iron, cast turned Two-piece bronze mold for pouring the bottom of jug. signed V D (Andreas van Duyveland) Rotterdam tin tinker tin tin Meeuws Druy artisan 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.