First Official View of Treasure Island"This is the first official view of the Golden Gate International Exhibition Island, as it will appear in 1939." - National Archives and Records Administration, Neg 8496-C
Below is the first official photo view of the Golden Gate International Exhibition a few years prior to its opening in 1939. And apparently based on the photo is the original WPA, 9' x 6' oil on canvas mural. Artist unknown.
http://www.wpamurals.com/gogateex.html Needs more documentation.