It is easier to find discontinued perfume online than in stores, the following is a spot where you can find these perfumes, just visit FragranceDirect.com, which may or may not have your fragrance in stock, but they often sell scents for half price.
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where can i buy discontinued perfumes
To buy a discontinued perfume you can visit Lost Scents, which is a fairly new site with much promise. There are just a few scents listed now, but with a note on the front page that suggests more will come in the near future.