Quick explanation about the printing processes involved To create the E95 baseball cards back in 1909 they started off with a black and white photograph and converted it to what is called continuous tone. This continuous tone is basically a pattern of dots that are large and thicker in dark areas and smaller and lighter in light areas. This dot pattern was used only for what would be printed in black. The other colors used were all exactly the color desired and not a combination of colors. Example: a green was a specific green ink. Today a combination of cyan (blue) and yellow over lap to create the appearance of green. Today the modern technique of "4 color" printing or "4 color process" printing is used for any printed piece that has a wide range of colors. The Process color inks are: magenta(red), cyan (blue), yellow and black. As black and white photos were converted back then, today the same is done with full color photos which are broken down or color seperated into continous tone patterns, one for each of the 4 process color. To get an idea about how the printing process of today as compared to back then - Click Here.
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Detection 1: Printing technique. (For all collectors - beginners and advanced) |
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Detection
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