Chanel No 5 Perfume, Eau De Parfum, 3 x 20ml, 1 purse spray, 2 refills, New . However, how long they last depends on the scent's chemical composition. This is quite a common practice in perfumery in order to save costs. ", of Secret of Venus, the original, quality stuff, but it has stopped being made since 1981 so verification isn't possible. Check that the wrapping is not loose. USD 24.99. The fake perfume will not have a serial number. It varies from the normal perfume as usually it comes in a different smaller size, its packaging is different and sometimes it comes without a cap. Much like Louis Vuitton's switch to the Radio Frequency Identification (RFID) microchips and eliminating date . These include the packaging, the scent of the perfume, and the price. You can also check manufacturing date code which would be printed on the box to check perfume authenticity. Its a sign of a fake perfume when the characters appear fuzzy. Shop it: Chanel No.5 Parfum ($125-$325) History: Perfumer Ernest Beaux created the now-iconic fragrance in 1921. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4f\/Determine-Whether-a-Perfume-Is-Authentic-Step-1-Version-2.jpg\/v4-460px-Determine-Whether-a-Perfume-Is-Authentic-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/4\/4f\/Determine-Whether-a-Perfume-Is-Authentic-Step-1-Version-2.jpg\/aid5581218-v4-728px-Determine-Whether-a-Perfume-Is-Authentic-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"