I've got a William Henry S09 in Walnut ($200 value), Spyderco Superleaf ($140), Spyderco Native 5 ($140), DPX HEST 2($175), Spydero Pingo with custom scales ($85), Joseph Rodgers Barlow($100), and a custom fixed blade wharncliffe by grindermonkey ($90).
EDIT: Any combo that adds up to $650 I'll do, I also have some smaller value knives too.