Of rounded circular form upon a circular foot, twin C scroll handles, the pull off gently domed lid surmounted by a compressed knop finial. Engraved to the front with a contemporaneous impaled coat of arms with leafy and scroll mantling, the lid with a crest of issuing from a ducal coronet a pair wings elevated. Engraved with scratch weight underneath 20. Fully marked to the right of handle and top of lid. Length - 20.5 cm / 8.1 inches Weight -614 grams 19.74 oztNotes:John Duck was made assayer of Goldsmiths Hall in 1694, after Nathaniel Bowles resigned to join the newly founded Bank of England. He stayed in this position until 1716. See, John Culme, "The 'goose in a dotted circle'; a mystery of the seventeenth century investigated", The Jaime Ortiz-Patiño Collection 17th Century English Chinoiserie Silver, Sotheby's, New York, May 21, 1992.