CONGO DEMOCRATIC REPUBLIC. Banque des Etats de lAfrique Centrale. 500 Francs, ND (1974). P-2a. About Uncirculated.This 500 Francs note is in About Uncirculated condition, and displays bright colors and intricate designs. A woman is seen at left on the face of the note, while the reverse shows students in a classroom with a teacher using a chemistry set at right.