The toast celebrates the Westmorland Parliamentary division of 1761 when Sir James Lowther and John Upton were elected against a third

A similar decanter, with faceted spire stopper, is in the collection of the Victoria and Albert Museum (C.322-1931) and for an opaque-twist wine-glass with the same inscription see L.M. Bickerton (1971), Eighteenth-Century English Drinking Glasses, no. 696