1960 Airmail cover franked with OBP n° 15 with sheet margin used as protection, sent from Elisabethville-3 (Keach type 12C1), very scarce, November 3, 1960 to Lodelinsart/Belgium, vf
"1961 Airmail cover franked with OBP n° 47 ""6,50fr. independance"", sent from Elisabethville-1-Katanga (Mechanical cancellation very scarce), July 1, 1961 to Liège/Belgium, correct rate, vf "
MUSOFI (transit datestamps) (Keach type 1.1-DMtY/t), postal stationery catalogue Stibbe n° 21C T3 sent from Lukafu January 10, 1910 to Brussels / Belgium where it arrived March 5, transit datestamps MUSOFI February 2, 1910 very scarce cachet, f