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

A collection of four late 18th / early 19th century blue glass decanters, mallet form, comprising a titled pair with gilt labels 'RUM' and 'BRANDY', the tear drop stoppers with the letters 'R' and 'B', height 23.5cm, plus another of similar form, titled 'HOLLANDS', and one titled 'RUM' below a vine leaf girdle. (4)