{"version":"1.0","type":"photo","width":1023,"height":559,"title":"airmail flight cover: Boeing 727, first flight, Renton, Washington","url":"https:\/\/static.sfomuseum.org\/media\/152\/785\/309\/1\/1527853091_u9r4WcGJLW1YUwDqo24U1iWQpmrLesmc_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1511954255\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}