A early 19th century matched silver campaign set

A early 19th century matched silver campaign set, comprising: a French beaker, Paris 1819-38, tapering circular form, engraved with a crest, a William IV silver folding knife, fork and spoon, with mother-of-pearl handles and with a corkscrew, Sheffield 1838, a teaspoon, London 1839, and an ivory three-section condiment pot, with screw-off compartments, in a fitted case, approx. weighable 3.2oz.