As requested in forum #117146, here’s an explanation why I think this is a nude filter. Or rather, not here, but on the image itself. I used notes to mark the noteworthy areas there to spare anyone else the trouble of finding the relevant areas.

View the image at its original size; click the image to toggle notes on and off; compare with the non-nude filter post #894841 in another tab or something.

Note that post #894841 and this one differ in the middle, too. I’m guessing that there was a centerfold that was independently redrawn by two people. I think the redraw in post #894841 is better.