FRANCE 1949 rare Collective Proof CITEX Cérès Gandon Y & T 830 831 832 833 841
CITEX and Centenary of the Stamp 1949. 830; 831; 832; 833 and CITEX stamp: Cérès millésimé Y. Centenary of the stamp: Cérès and Marianne de Gandon Y &T.
FRANCE International Philatelic Exhibition of Paris 1949.