This is a brand new, unused item. It has been stored hanging on a wall. This collaboration between Monthly Mu and Hardcore Chocolate began in 2013. Many hidden Mu fans, celebrities, and others all loved and used the items, and the Mu apparel then became a major movement, the effects of which continue to this day. There are also a wide variety of related products with Core Chocolate, including 40th-anniversary items! And in 2023! The history of this collaboration will happily celebrate its 10th anniversary!! This commemorative T-shirt, labeled as the 10th anniversary, is a luxurious specification packed with past archives! Adamski, rocks on the moon, psychics, clay figures, the Loch Ness Monster, Moai statues, and Freemasons! There are also many other nostalgic and familiar images! It's truly the best design, a culmination of everything so far! A must-have item for fans is born here!! (T-shirt color: Sumi (charcoal black) Print color: White, Orange) S: Length 65cm x Width 49cm M: Length 69cm x Width 52cm L: Length 73cm x Width 55cm XL: Length 77cm x Width 58cm