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The postcard features a nighttime view of Old Faithful in Yellowstone National Park. Old Faithful is a famous geyser known for its predictable eruptions, which occur approximately every 90 minutes. Yellowstone National Park is located primarily in Wyoming and is the first national park in the world, established in 1872. The park is known for its geothermal features, including geysers, hot springs, and mud pots. The postcard was produced by Sanborn Souvenir Co. in Denver, Colorado, and is part of the T. Art-Colortone series. The front of the postcard includes a one cent stamp placement for mailing.