A pair of George III silver Hanoverian pattern table forks with transitional Hall marking

A pair of George III silver Hanoverian pattern table forks with transitional Hall marking, by John Tweedie, London 1783, the reverse of the terminal engraved with a crest, length 19.5cm, approx. weight 4.5oz. (2) one of the forks was sent to the Hall with the maker's mark bottom marked, and the assay marks were stamped on the top of the spoon, the other spoon is fully marked on the top.