The Die Varieties of the Nesbitt Series of United States Envelopes

In "The Die Varieties of the Nesbitt Series of United States Envelopes," Victor Maximilian Berthold delves into the intricate world of philately, focusing on the nuanced variations of the Nesbitt series, a cornerstone of American postal history. Through meticulous research and analysis, Berthold catalogs the distinguishing features of these envelopes, employing a rigorous methodological approach t...