RPPC. Castle Geyser. Yellow Stone National Park Real Photo Postcard. AZO 1904-18 For Sale

This is a vintage postcard featuring a real photo of Castle Geyser in Yellowstone National Park. The postcard was manufactured between 1904 and 1918, as indicated by the AZO stamp box. It is an original print, not a reprint, and has not been used or posted. The postcard is a topographical type, depicting a specific location, and was produced in the United States.