SWA: 1968 WINDHOEK BOEING CRASH: Envelope with contents Johannesburg (19 IV 68) to Germany salvaged from the crash of the SAA Boeing 707 "Pretoria" near Windhoek's J G Strijdom Airport on April 20th 1968. Envelope with damage and soiling as usual for this mail which was badly burned. With official Post Office notelet concerning the crash. VF example of this scarce recovered mail.