The rarity of Belt of the Jolly Reaver is Mythical. At this moment the item is available for trade.
Belt of the Jolly Reaver is a skin for Pudge. The skin was added to the game on May 16, 2017, it was created by katzeimsack.
Belt of the Jolly Reaver is currently one of the most popular skins, but it is rarely seen in the game due to its high price.