Softnyx: Sold for a limited time during the Gunbound Christmas Event. From December 13th, 2007 - January 3rd, 2008 you could purchase this item from the Gunbound event page for 50,000 cash.
ijji: Sold for a limited time during the Gunbound Christmas Event. From December 19th, 2007 - January 9th, 2008 you could purchase this item from the Gunbound event page for 500 G Coins.
Softnyx: Given out to all the winners of the 2008 Gunbound Artwork Contest (3rd Type: Concept). From September 1st - September 14th users could submit a "Concept" design on the Gunbound Screenshot Boards. Winners were selected by Softnyx.