{"version":"1.0","type":"photo","width":1024,"height":576,"title":"airmail flight cover: National Air and Space Museum, Smithsonian Institution, Igor Sikorsky helicopter flight","url":"https:\/\/static.sfomuseum.org\/media\/152\/781\/980\/3\/1527819803_sZwG1bARbP5KQiDEo5H7UhFU75XAyPOd_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1511906783\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}