2022-04-262022-04-261963https://hdl.handle.net/2152.3/1141450F stamp depicting "Dr. Schweitzer; blood transfusion equipment," Niger, 1966. 6d stamp depicting "Blood donors and ambulances," Nigeria, 1963. Three stamps from Russia, 1965 "Issued to honor blood donors" two 4K stamps and 40k stamp with William Harvey.Five stamps.Postage-stamp albumsStamp collectingNigerSchweitzer, Albert, 1875-1965NigeriaHarvey, William, 1578-1657Russia