Pre-1920 Real Photo Postcard. Washington State College, Pullman, Washington (circa 1913) - Pi Beta Phi. Photo by Chindlund. Card No. 561. Divided back, unused, AZO stampbox with upward pointing triangles in all corners. Condition: Excellent.

The school was founded in Pullman on December 28, 1890 and opened on January 13, 1892 as the state's land-grant college, the school changed names from the Washington Agricultural College and School of Science to the State College of Washington in 1905, and, subsequently, in 1959 to Washington State University.