United States postage stamps featuring Benjamin Franklin, 1-cent denomination

These stamps are part of the Washington-Franklin series issued by the United States Postal Service between 1908 and 1922. The 1-cent green Benjamin Franklin stamp was one of the most commonly used denominations of this era, primarily for postcards and printed matter. The series represented a significant period in American philately, featuring detailed engraved portraits of the nation's founding fathers. These stamps are highly valued by philatelists and stamp collectors worldwide, particularly those specializing in early 20th-century American postal history. Collectors appreciate these stamps for their historical significance, engraving quality, and the various subtle varieties in color, perforation, and watermark that exist within the series. The Washington-Franklin series remains one of the most studied and collected stamp issues in American philately, offering collectors opportunities to build specialized collections based on printing variations, cancellations, and postal history usage.