Help: broken/stuck sprayer

Any advice on what to do when an expensive and beloved bottle’s sprayer won’t work?About 5 years ago my wife gifted me a 5ML EDT bottle of my favorite, CDG Avignon. The sprayer seems to have become stuck now and I can’t use it, nor does the sprayer mechanism come off. I’m sad because I can’t use it and don’t want to break the bottle. Had this happen once a dozen years ago with a bottle of L’Ombre dans l’Eau by Diptyque and was able to go the Diptyque store in NYC and get it fixed, but dont have that option here.

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