National Bank of Greece, an obverse and reverse uniface proof 50 drachmai, 8 May 1923, green and pale orange, pink and blue, George Stavros at left, value at centre, reverse blue and pink, stele of Minerva at centre, value at left and right (Pick 84 pr for type), in PMG holders, 64 Choice UNC(Obverse) and 63 Choice UNC(reverse), both previously mounted, perforated SPECIMEN, and rare