If you love somebody set them free - Japan 3 tracks promo 3" CDs - S12Y3010 The japanese promotional CD are the same as the stock copies, but with a promo red sticker on back (most of the time on barre code), and a japanese promo writting or "Sample" on the middle of the disc. Promo issues are of course rarer that stock copies. Check snap pack CDs article for more infos. Back to 20 rarest CDs list.