China; "Banque Belge Pour LEtranger", 1921, uniface die proof front & back, $5, $10 & $50 P.S124-26, total 3 pairs, mounted on card, large upper margins, AU-UNC.(6)
China; "Banque Belge Pour LEtranger", 1921, uniface die proof front & back, $5, $10 & $50 P.S124-26, total 3 pairs, mounted on card, large upper margins, AU-UNC.(6)