I am selling my down twin comforter. I only used it for about a month. I always used it with a duvet cover. This comforter is practically new.
https://www.target.com/p/light-warmth-goose-feather-down-natural-blend-comforter-scott-living/-/A-80108904

I can throw in a chartreuse urban outfitters duvet cover for free.
https://modesens.com/product/urban-outfitters-tayla-boho-floral-duvet-cover-chartreuse-29988635/