This is a really stunning still life. Composition is perfect no need for the second feather though in the background, though still up there with one of the better ones.
I'm enjoying being part of the DPL "First 10" Challenge. Yours is photo #6 in my random voting stream.
I read Umberto Eco many years ago. You've quoted the last line of the book and filled your photo with further mystery. Exceptionally processed and appropriately feathered. Kudos.