Favorite Butterfly (Graphic Novel filter)

This is one of my favorite butterfly images, from several years back, which I have newly processed with the Graphic Novel filter. As something of an experiment, I tried it two ways. The first image is a single pass, set at the Photoshop default. The second is my layered image, in which I layered together at varying opacities three light to dark images.

Layered image:

Single pass:

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