This jar of peanut butter costs $761. This is Standard Reference Material No. 2387. It's the finest peanut butter in the world—from a purely scientific point of view.
The National Institute of Standards of Technology, an office of the US Department of Commerce, uses it as a baseline when analyzing the chemical properties of peanut butters.
https://www-s.nist.gov/srmors/view_detail.cfm?srm=2387 (https://www-s.nist.gov/srmors/view_detail.cfm?srm=2387)
Well, that's worth knowing. Where can you buy it?