Belgium - 1000 Francs SPECIMEN 1950-1958 Blue and multicolor. Portrait of King Albert at left. Back: Geeraert and Lock scene. Signature: Pirsoul - Frère. P. 131s.Very rare specimen issue of the well-known 1000 francs of this series. Original crisp and colorful note with only minor hints of handling. PMG CHOICE ABOUT UNCIRCULATED 58.