#567 20¢ Golden Gate Bridge, tied by "San Francisco, Calif May 1, 1923 1PM" slogan machine cancel on Edwin Seebohm First Day cover to his shop in San Francisco. Cover with sealed tear at top center. Seebohm made very few of these covers. Searches of internet, Siegel & Schuyler Rumsey sites showed no other examples of this very rare and highly elusive FDC (Image)

Cat. $2,000 HWC-SE