Modified frame - Postal History - Covers

Quality: ✉

1920 N° 65 (10x) ‘10c. carmine’ and N° 70 ‘1fr. olive’ on a postal authorisation from the Stanleyville post office, cancelled on 30 March 1920; the ‘10c.’ stamps are divided into one block of 4 and one block of 6; a very rare postage, very fine