A collection of four early 19th century provincial silver wine labels

A collection of four early 19th century provincial silver wine labels, comprising: one by Langlands and Robertson, Newcastle circa 1790, rectangular form, canted corners, incised 'PORT', plus one by Alexander Keltey, Newcastle circa 1803, incised 'MADEIRA', one by John Walton, Newcastle circa 1820, incised 'RUM', and one by Thomas Watson, Newcastle 1841, incised 'BRANDY', approx. weight 1.2oz. (4)