This is one of those case of "there has to be a better version" to the point that I would not have bothered uploading. Text says Gocky Club 2001, but it is not from either of the 2001 Doujin (only the covers were in colour), unless it was some extra available at a comiket. From the dimensions it could be a phone card or something similar. Actually, it probably is as there is something similar here: http://www.teleca.net/cargo/goodsdetail.php?g_code=HZ901-0299