This toy is made of pressed tin with original, colorful lithographed finish. Typewriter was patented and introduced in 1902. H allmarks: Appearing around red typing type in white band, "Manufacturers and Patentees Simplex Typewriter Co., New York, U.S.A. ~ German Patent Number 112907 ~ French patent number 269727 ~ British Patent Number 18881 ~ USA Patent Numbers 1138427, 1521408, 1865288, 1867426,1957373".
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