The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
Almost 4" but meets other criteria
http://www.benchmade.com/products/product_detail.aspx?model=710
If you open the search to other metals such as S30V you may have more luck such as:
http://www.benchmade.com/products/product_detail.aspx?model=610
and this is Ti handles work for you:
http://www.benchmade.com/products/product_detail.aspx?model=630