A small collection of Birmingham silver vinaigrettes including an octagonal "button" form George III vinaigrette, Birmingham 1800 by John Thornton, with fire gilt filigree grille, 2 cm wide x 1.5 cm high, an unusual pillow form vinaigrette, Birmingham 1806, by Matthew Linwood, and two further "button" form vinaigrettes of the same era.(4) 44.16 grams (1.42 ozt) combined