Watch List notes:

Chad, Republic, Essais [4], Pattern 10,000-Francs, 1970, "10th Anniversary of Independence", in cupro-nickel-aluminium [2] (KM E1); also, Pattern 100-Francs, 1975 (KM E5); lastly, Pattern 500-Francs, 1985 (KM E6), all brilliant uncirculated, in sealed vacupacks of issue [4].