In Japan, many institutions such as banks and government offices accept documents and contracts with an inkan or hanko stamp instead of a signature. Now, you can have Madoka, Homura, Mami, Sayaka, Kyōko, or yes, even Kyubey, on your stamps to make contracts legally binding. There are two styles of stamps — round for 3,600 yen (about US$36) and square for 3,980 yen (US$40). The first 500 people who order both styles will receive a Kyubey seal mat (pictured above). Orders are being accepted from April 25, 2013 until April 24, 2014, but e3paper cautions that supplies might run out sooner that expected.