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- Kirchgaessner & Kraft
Country Era e.1904
Symbol cartouche, frame
Shape cartouche, frame
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- Köberlin, Gebrøder
Country Era e.20th cen.
Symbol banner, flag, flagpole
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- Koch & Bergfeld
Country City Bremen
Era e.1829
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- Ködding, Johannes
Country Era b.1876
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- Kraft, Robert
Country City Pforzheim
Symbol arrow, cartouche, frame, hexagon, square
Shape cartouche, frame, hexagon, square
Era e.1920
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- Lettré, Emil
Country City Berlin, Hanau
Symbol cartouche, circle, frame
Shape cartouche, circle, frame
Era (1876-1954)
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- Levinger, Heinrich
Country City Pforzheim
Era e.1875
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- Lohmann-Gruber, Margarete
Country City Saarbrücken
Era e.1936
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- Magnussen, Harro
Country Era (1861-1908)
-
- Mayer, Martin
Country City Mayence
Symbol circle, star, wheel
Shape circle, star
Era e.1888
-
- Mayrhofer, Adolf von
Country City Munich
Symbol cartouche, circle, frame, grapes, tree
Shape cartouche, circle
Era e.(1864-1929)
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- Meister
Country City Lucerne, Zurich
Era c.1897
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- Meyen, H. & Co.
Country City Berlin
Symbol crown, face, head, helmet, mercury, people, profile, wings
Era mid 19th-mid 20th cen.
-
- Mosgau, Franz
Country City Berlin
Era e.1807-1900
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- Müller, Theodor
Country Era e.Early 20th cen
-
- Müller, Wilhelm
Country City Berlin
Era e.1880-1940