20h is a bit low. For joke weapons, collectors usually want 50+... even my 40h Nice Shot only auctioned for 1pd: https://www.pioneer2.net/community/threads/a-%E3%83%8A%E3%82%A4%E3%82%B9%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-nice-shot-0-35-45-0-40-chb-1.32180/
If you don't know about the Accuracy Glitch, make sure to look it up on the Wiki. It helps a lot with FOmar's blindness when using slicers and some other weapon types.