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I bought a SC Sterling portable typewriter at a garage sale. It is made of glossy black metal. It does not have any markings. Using the serial number (3A99512) I found it is a Smith Corona from 1941. I cannot find a similar machine with the glossy finish. Has this been repainted? It really doesn't look like it has. I am not a collector, just found an interesting piece. Thanks for any information!
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Gloss black was one of the color options for the late-30's 2-series Corona Sterling "Speedline" models. I am not sure if gloss black was a color option for the 3-series Sterling Speedline models in '41. You can see examples of late-30's Sterlings in glossy black here.