Old London silver, its history, its makers and its marks (1903)
Howard, Montague · New York, Scribner · leaf 120
No. 47 (1794) SALTS 89 … No. 48 (1815) Concerning the position of the hall-marks on salts, no rulecan be given for the early ones, but for the last one hun-dred and fifty years the marks have generally been placedon the bottom
Plate · Silverwork · Hallmarks
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.