As far as I can ascertain there are 3 genuine (i.e. STC) -200 Freighter conversions at Victorville c/n 1182, 1193 and 1211 all ex Connie Kallita and British Airways. N number enquiries reveal Wells Fargo Bank of Salt Lake City Utah as the owners.
Hope it helps
Be lucky
David
P.S. Just as a curious enquiry what is a full STC -200F worth these days? Anyone any idea, please