1956年柬蒲寨50里尔票背试色样钞一枚,PCGS Gold Shield 63, 非常珍罕的试色钞。Cambodia, 50 riels, uniface progressive proof of the reverse, no date (1956), stupas at Batoum-Waddel in central panel, sun in place of the watermark at centre, multicolour edges,(Pick 3Ap), PCGS Gold Shield 63 Choice Uncirculated. An extremely rare and colourful progressive proof worthy of any French/French Colonial collection.