Graag meer info over deze:
BELGIAN CONGO. Banque Centrale du Congo Belge. 50 Francs, ND (1953-55). P-27p. Proofs. PMG Choice Uncirculated 62 & 63.
2 pieces in lot. Front and back proofs. Both printed by BWC. The face in CU62 with the back in CU 63. PMG notes "Printer's Annotation" and "Previously Mounted" on both.
mvg,
LA