Of the many “firsts” associated with the 1893 World’s Columbian Exposition, the issuing of the first commemorative postage stamps by the United States Post Office became philatelic history. The set of sixteen stamps are among the most sought-after by collectors of stamps and Columbiana. In the winter of 1892, Postmaster-General John Wanamaker reported on the Columbian series: The introduction of the Columbian series of postage stamps will contribute in a marked way to the great recognition given by the [...]