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It doesn't solve the puzzle, but I found a subfolder with more images of the subject. You may be right, Rich. I'm pretty sure I applied more filters. The clue for me is the different dates of the images. The first image with no filters is dated 10/2010. The newer one (with shards)  is dated the same day. Also, on that first day, I tried different filters, including the crystallize filter, which is the closest to the final one. I named it Pshop Cryzet, so it was PS software. I'm attaching it here. It's a little sharper than yours. I may have added one or more filters to that one to get to the final one. The final one in my first post is dated 7/16. So it was done later. I may not have been using PS by that time. I could have switched to ACDSee Ultimate. But there's nothing like the sharp angels in any of their filters.

Thanks, John, for your input. It looks like the cutout filter lost some color and vibrancy. I wonder how intense posterizing or crystallizing added to it would affect it.

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