Mercantile Bank of India Limited, Specimen $500, 26 May 1959, serial no. 0000, blue and multicoloured, head of Mercury at right, sunburst pattern in background, value at each corner, manuscript signature low right, rev. blue-green, ornamental gateway left centre (Ma M19), red SPECIMEN overpront, four small official perforations, about uncirculated, extremely rare, a lovely note