Central Bank of Libya, a pair of Printer's Archival Photographs of an unadopted design for the 1/2 Dinar, ca. 1977, black and white, obverse with coat of arms at right, square mosaic centre, reverse showing petroleum refinery (an altered version of which was eventually used for the obverse of the issued note),, (Pick 43 for type), mounted on thin card with hand-annotated dates in card margins. (2).
Estimate: £300 - £350