Quote:
Originally Posted by G1911
Any of our printing experts know what’s up with these? For many years you can find cards with this same recurring ‘green circle with a red dot in the middle of it’ mark. I have a number of them, seems something more specific than random stray ink because of how many years it appears and how specific the combination of colors in the mark is. Just curious
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It's a fisheye on the red or magenta layer. Yellow and cyan are usually printed earlier, so you have a greenish image. A bit of debris on the offset blanket gets inked, and prints but prevents the area around it from printing.