The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
In the end we found we had used around 50 lbs. of charcoal and around ½ to 2/3 of a bucket of Lake Superior sand to make it, so the efficiency in my smelts continues to improve beyond what I thought was about as good as I was going to get.