I spelled donor wrong, I'm so dumb
Wow those are great deals.
2 years ago on the 4th of July, I bought a new in box one for $3999. But I fear those days are over...
Currently, firearms values are soft--- the SP5K did not help the value of the HK SP89!!!
Fortunately, all is cyclical, and, depending upon the model, "pre-89" NIB w/all samples will generally command premiums.