Official Poster Stamps of the Panama-Pacific International Exposition San Francisco California 1915 AP283

“Little Heralds of the Wonders of the Exposition”. 37 poster stamps.

The poster stamp was an advertising label, a little larger than most postage stamps, that originated in the mid-19th century and quickly became a collecting craze, growing in popularity up until World War One and then declining by World War Two until they are now almost forgotten except by collectors of cinderella stamps. The unofficial nature of poster stamps has led to debate about exactly what is and is not a poster stamp. One definition has been “labels without postage stamp values, not good for postal service; advertising labels or charity labels.”

San Francisco hosted the Panama Pacific International Exposition in 1915. Because San Francisco suffered a major earthquake in 1906 and the earthquake destroyed many buildings, the poster stamps show temporary buildings built only for this Exposition. The buildings were torn down after the event. But San Francisco was definitely back on the map.

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Panama–Pacific International Exposition

Floodlit pavilion at the Panama-Pacific International Exposition.

The Panama-Pacific International Exposition (PPIE) was a world’s fair held in San Francisco, in the United States, between February 20 and December 4 in 1915. Its ostensible purpose was to celebrate the completion of the Panama Canal, but it was widely seen in the city as an opportunity to showcase its recovery from the 1906 earthquake. The fair was constructed on a 635 acre (2.6 km2) site in San Francisco, along the northern shore now known as the Marina District.Exhibits

Among the exhibits at the Exposition was the C. P. Huntington, the first steam locomotive purchased by Southern Pacific Railroad; the locomotive is now on static display at the California State Railroad Museum in Sacramento. A telephone line was also established to New York so people across the continent could hear the Pacific Ocean. The Liberty Bell traveled by train on a nationwide tour to and from Pennsylvania to attend the exposition. After that trip, the Liberty Bell returned to Pennsylvania, and has not been moved since.

Architecture

The centerpiece was the Tower of Jewels, which rose to 435 feet and was covered with over 100,000 cut glass Novagems. The 34 to 2 inch colored “gems” sparkled in sunlight throughout the day and were illuminated by over 50 powerful electrical searchlights at night.

In front of the Tower, the Fountain of Energy flowed at the center of the South Gardens, flanked by the Palace of Horticulture on the west and the Festival Hall to the east. The arch of the Tower served as the gateway to the Court of the Universe, leading to the Court of the Four Seasons to the west and the Court of Abundance to the east. These courts formed the primary exhibit area for the fair, which included the Food Products Palace, the Education and Social Economy Palace, the Agriculture Palace, the Liberal Arts Palace, the Transportation Palace, the Manufacturers Palace, the Mines and Metallurgy Palace, and the Varied Industries Palace. The Machinery Palace, the largest hall, dominated the east end of the central court.

At the west end of central court group was the Palace of Fine Arts. Further west toward the bay down The Avenue of the Nations were national and states’ buildings, displaying customs and products unique to the area represented. At the opposite end of the Fair, near Fort Mason was “The Zone”, an avenue of popular amusements and concessions stands.

Construction

Constructed from temporary materials (primarily staff, a combination of plaster and burlap fiber), almost all the fair’s various buildings and attractions were pulled down in late 1915. Intended to fall into pieces at the close of the fair (reportedly because the architect believed every great city needed ruins), the only surviving building, Bernard Maybeck‘s Palace of Fine Arts, remained in place, slowly falling into disrepair (although the hall used to display painting and sculpture during the Fair was repurposed as a garage for jeeps during World War II). The Palace, including the colonnade with its signature weeping women and rotunda dome, was completely reconstructed in the 1960s and is currently occupied by the Exploratorium, an interactive science museum, occupying the northern 2/3, and the city-owned Palace of Fine Arts Theater, occupying the southern 1/3.