"Roller Coaster" (1936) is a recent gelatin silver print of a 3 1/2x2 1/4 image on 10x8 paper.  It is sgned and unframed.  Julius Shulman is, many experts would agree, the greatest living architectural photographer.  Since the 1930s, he's photographed the work of virtually every modern architect.  Shulman's photography spread California modernism around the world.  His vast library of images currently reside at the Getty Center in Los Angeles.