Fr-1600 1928 Series One Dollar Silver Certificate bearing a low serial number twenty-three. F00000023A. A low two-digit serial number from one of the first block runs of 1928 series silver certificates. Third party graded this one a dynamite GEM. P.M.G #65EPQ Gem Uncirculated with exceptional paper quality. Deep blue inks, bright white paper, a very pretty up ladder serial number?