2-840-167 - Heritage Art/Heritage Images

30c Alexander Hamilton special printing single, 1875. Unused; special printing of the 1873 Issue; produced by Continental Bank Note Company in 1875;Probably no more than 40 examples of this stamp still exist.;In 1875, Post Office Department officials decided to exhibit samples of all previously issued stamps at the Centennial Exposition in Philadelphia the following year. Since this required a special printing, the department ordered extra copies for sale to stamp collectors.