Rwanda, Banque Nationale, specimen 20-Francs (4), 1964, 1965, 1966, 1969, brown, flag at left (P.651), 50-Francs (3), 1964, 1966, 1969, blue, map at left (P.751), 100-Francs (4), 1964, 1965, 1966, 1969, violet, map (P.851), 500-Francs (3), 1964, 1966, 1969, green, arms at left (P.951), 1000-Francs (3), 1964, 1966, 1969, red, arms at left (P.1051), SPECIMEN overprint, good extremely fine, scarce (17)