A FOUR-PIECE SILVER TEA-SERVICE, maker's mark of William Forbes, New York, for Ball & Black, circa 1830, comprising teapot, two-handled covered sugar-bowl, milk-jug and waste-bowl, each dexagonal with slightly sloping shoulder, on applied foliate rim foot, engraved with long vertical panels of foliate scrolls and flowerheads within finely reeded ground, twice centering shaped rectangular cartouche, one engraved with monogram, with openwork gallery to the collar, foliate capped scroll handle, the teapot with plain spout and hinged molded raised cover engraved with scrolls, topped by part floral baluster finial--the teapot 8¼in. (20.9cm.) high, gross weight 71.5oz.