A collection of late 18th / early 19th century coloured glass decanters

A collection of late 18th / early 19th century coloured glass decanters, comprising a pair of mallet form with three applied neck rings, and tear drop shaped stoppers, another pair with fluted stoppers, a single blue mallet shaped decanter with three neck rings, plus a green glass decanter of similar form, a blue glass decanter of plain mallet form, plus two Prussian clear glass decanters and one other, height of smaller pair 23cm. (10)