Banque Nationale Du Cambodge, 5riels, 'Colour Trial', no date (1955), black serial number '000000', blue, green and multicoloured, Four Faces of Avalokitesvara at left, watermark at right, reverse blue, green and multicoloured, Royal Palace at right, overprinted 'SPECIMEN' in red, hole punched cancelled,(Pick 2ct) PMG 65 EPQ, Gem Uncirculated, scarce