CHINA--FOREIGN BANKS. Banque Belge Pour LEtranger. $50, 1.7.1921. P-S129Ap.Face proof mounted to card stock. (S/M #H185-4d) A terrific proof which shows in full color and truly brings out the beauty of this design. Brilliant blue inks make up the border and central vignette with a lovely multi-colored under-print and guilloches. Scarce in any form.Gem Uncirculated