In fact, there are basically no fakes or A goods for sale in European shops or markets. European consumers rarely have the concept of "fake goods" and are very reassured about consumption. So in a word, your friend brought back a real Swarovski pen. This kind of pen is not sold in China because I have never heard of it. One possibility is that Swarovski launched a commemorative product in a European country; Another possibility is that the ballpoint pen manufacturer in that European country has been authorized by Swarovski to produce and sell this kind of pen, which uses real Swarovski crystal beads.