CONGO – de Cock, André: Leo Congo Belge et ses Marques Postales (1931), 217 + 1 pages, signed by the author, bibliophile hardcover, No. 22 of 25 copies printed. A rarity! PLUS: Crustin, J.: Etat Indépendant du Congo. Le Timbre à 1 fr. de 1894 (1943), 56 pages, leather bound, with bibliophile slip case. No. 13 of 100 copies printed and signed. Both in good condition. Estimate: 300 Euro
