 | Mackay & Chisholm Silversmiths Princess Street Edinburgh 1834 - 1957 | Mackay & Chisholm Silversmiths More Detail |
 | Marks & Cohen Silversmiths Camden Street Birmingham 1903 - 1910 | Marks & Cohen Silversmiths More Detail |
 | Martin Hall & Co Ltd Shrewsbury Works Sheffield 1854 - 1930 | Martin Hall & Co Silversmiths More Detail |
 | Marson & Jones Silversmiths Birmingham Makers 1915 - 1937 | Marson & Jones Silversmiths More Detail |
 | Minshull & Latimer Silversmiths Vyse Street Birmingham 1890 - 1902 | Minshull & Latimer Silversmith More Detail |
 | Mappin & Webb Ltd Royal Cutlery Works, Norfolk Street, Sheffield 1891 - today | Mappin & Webb Ltd Silversmiths More Detail |
 | Maxfield & Sons Silversmiths Enterprise Works Sheffield 1898 - 1921 | Maxfield & Sons Ltd Silversmiths More Detail |
 | Montague Friedlander Silversmith Royal Exchange Square Glascow Possibly used at the Chester Office aswell 1889 - 1908 | Montague Friedlander Silversmith More Detail |
 | Martin Goldstein London Maker 1878 - 1885 | Martin Goldstien Silversmith More Detail |