John Aldwinckle was a silversmith who became a partner with Henry Holland, James Slater and Thomas Slater. Several marks have been used, JA over JS (James Slater), JA over TS (Thomas Slater) and H A & S for Holland, Aldwinckle and Slater.
John Aldwinckle died in 1894 and in 1922 the firm was bought by Francis Higgins & Son Ltd. The firm Holland, Aldwinckle & Slater continued to operate until 1932.
Below are some examples of his maker’s marks and silverware including a Victorian silver-gilt ewer and a Victorian preserve spoon.
John Aldwinckle & James Slater Silver Maker’s Mark
John Aldwinckle & Thomas Slater Maker’s Mark
Holland, Aldwinckle & Slater Maker’s Mark
A Victorian silver-gilt “Sacred to Bacchus” ewer, John Aldwinckle & Thomas Slater, London, 1884 the foot chased with acanthus below matted fluting, with gadrooned lower body and running laurel midband, applied with grapevine swags hung from a ram’s mask below spout, with a fully-modeled satyr straddling the neck and gripping the ram’s horns, openwork scroll handle marked below spout height 16 in. 40.6 cm 88 oz 5 dwt 2776 g
Sold for 8,125 USD at Sotheby’s in 2017
A Victorian silver preserve / pate spoon with engraved decoration. Hallmarked London 1889 maker John Aldwinckle & Thomas Slater. 6″ long (23g)
Sold for £14 at Claydon Auctioneers Ltd in 2020
Jug, silver, parcel-gilt, the body with straight tapering sides, everted spout, the handle in imitation of Japanese bamboo, the body engraved with a design of birds and plants, the interior, gilt. Made in 1881-1882
Reference: © Victoria and Albert Museum