Sweeping formal gardens and shimmering reflection pools stretch toward a grand white Neoclassical exhibition hall in this bird's-eye view of the Cascade Court and Geyser Basin at the 1909 Alaska-Yukon-Pacific Exposition in Seattle — one of the great world's fairs of the Progressive Era, held on the future University of Washington campus and attracting nearly four million visitors in just four months. A copper-domed rotunda anchors the left foreground, smoke curls lazily from an industrial chimney beyond the treeline, and the meticulous parterre gardens evoke the ambition of a city determined to announce its arrival on the world stage. The card was mailed on October 23, 1909 — while the fair was still in its final weeks — from a sender who filled the correspondence side with enthusiastic, still-legible handwriting, addressed to a Mr. Frederick in Oak Park, Illinois, routed through what appears to be a Nevada postmark. The one-cent Franklin stamp (green) ties the card precisely to the fair's run year. Published by Edw. H. Mitchell at San Francisco for the Gray News Co. of Salt Lake City, Utah, this is a genuine period souvenir mailed during the event itself.