![M&TB, NS](/marks/sp/Madsen_TB_Dk.jpg) |
Madsen & T. Baagoes Electroplet og Nysølvvarefabrik founded 1874
Copenhagen Denmark |
![Maltby, Stevens & Curtiss Co., MSC, silver soldered](/marks/sp/MaltbyStCurtiss_1.jpg)
![](pics/0_spaceH.jpg)
![MSC, griffin, gryphon](/marks/sp/MaltbyStevensCurtiss.jpg) |
Maltby, Stevens & Curtiss Co. founded c1890, successors to Maltby, Henley & Co.
a subsidiary of International Silver from 1898
Wallingford, CT USA |
![WM, S, star, EP](/marks/sp/Mammatt_w_S.jpg) |
William Mammatt 1867-1906, "& Sons" from 1886, successors to Mammatt, Buxton & Co.
Sheffield England, UK |
![Manhattan Plate Co., New York, shield, eagle, people](/marks/sp/manhattan_1.jpg) |
Manhattan Plate Co. 1856-1871
New York, NY USA |
![Manhattan Plating Co., NY](/marks/sp/manhattan_2.jpg) |
Manhattan Plating Co. 1872-1877, successor to Manhattan Plate Co.
New York, NY USA |
![Manhattan Silver Plate Co., crescent moon, star, quadruple plate](/marks/sp/manhattan_3.jpg) |
Manhattan Silver Plate Co. 1877-1898, successor to Manhattan Plating Co., became a subsidiary of International Silver Co., in 1898
New York, NY USA |
![Manning, Bowman & Co.](/marks/sp/manningBowman_mCt1857.jpg)
![](pics/0_spaceH.jpg)
![MB & Co., eagle](/marks/sp/manningBowman2.jpg) |
Manning, Bowman & Co. Founded 1857, electroplating from 1866
Meriden, CT USA |
![Mappin, MB, sun](/marks/sp/mappinBros.jpg)
![](pics/0_spaceH.jpg)
![Mappin, MB, sun](/marks/sp/mappinBros2.jpg)
![](pics/0_spaceH.jpg)
![MB, sun](/marks/sp/Mappin_Sunmb.jpg) ![](pics/0_spaceH.jpg) ![Mappin Brothers, Queen's Works, Sheffield](/marks/sp/mappinBros3.jpg) |
Mappin Brothers founded 1850, electroplate from c.1865-c.1903
Sheffield England, UK |
|
|
|
![Mappin & Webb Ltd, Mappin Plate](/marks/sp/MappinWebb_MP.jpg)
![](pics/0_spaceH.jpg)
![Mappin & Webb's Prince's Plate, Triple Deposit](/marks/sp/Mappin&Webb_SL.jpg)
![](pics/0_spaceH.jpg)
![M&W](/marks/sp/Mappin&Webb2_SL.jpg) |
Mappin & Webb from 1873, successors to Mappin, Webb & Co. (1864-1872), founded 1859 as Mappin & Co.
Sheffield & London England, UK |
![Marlboro Plate by Morton-Parker, EPNS](/marks/sp/marlboro_1.jpg)
![](pics/0_spaceH.jpg)
![Marlboro Plate, Old English Reproduction, E.P.Copper](/marks/sp/marlboro_2.jpg) |
Marlboro Plate from 1945, trademark of Morton-Parker Ltd.
Trenton, Ontario Canada |
![tower, GP, NM](/marks/sp/marthinsen_2.jpg)
![](pics/0_spaceH.jpg)
![tower](/marks/sp/marthinsen_NO.jpg) |
Thorvald Marthinsen founded 1883
Tonsberg Norway |
![man from mars, nickel silver](/marks/sp/martian_satoshoji_1.jpg)
![](pics/0_spaceH.jpg)
![man from mars](/marks/sp/martian_satoshoji_2.jpg) |
Martian from c.1949, trademark of Sato Shoji Corp., stainless & nickel silver flatware & holloware
Tokyo Japan |
![MH&Co, A1 EP](/marks/sp/martinHall.jpg)
![](pics/0_spaceH.jpg)
![MH&Co, epgs](/marks/sp/martinHall2_S.jpg)
![](pics/0_spaceH.jpg)
![MH&Co, EP, A](/marks/sp/martinHall3_S.jpg)
![](pics/0_spaceH.jpg)
![MH&Co, Martinoid, EP, A](/marks/sp/MartinHall_oid.jpg) |
Martin, Hall & Co. 1854-1934
Sheffield England, UK |
![M&S, beaver](/marks/sp/Maxfield_J&S_S.jpg) |
Joshua Maxfield & Sons founded c.1894
Sheffield England, UK |
![B.J. Mayo, triple plate, Newark, NJ](/marks/sp/Mayo_BJ.jpg) |
Benjamin James Mayo 1862-c.1910
Newark, NJ USA |
|
|