I have a small collection of disasters... mutilated, sun bleached and other improperly cared for stamps I've picked up over the years for examples of collections gone wrong and destroyed value. Some pretty horrendous messes.
I'm thinking you could put them on eBay
or Hip but from previous experience I'd advise you not to get your hopes up too high. If they are hopelessly stuck the only good they are is as a lesson to others or to soak apart and use glue to apply survivors as postage. The latter is a lot of work.
Do you have photo(s)?