{"version":"1.0","type":"photo","width":1024,"height":688,"title":"airmail flight cover: America\u2019s first balloon ascent commemorative","url":"https:\/\/static.sfomuseum.org\/media\/176\/344\/387\/1\/1763443871_1wXt8TkMcWY5yWJSGm9Ebg72PbKgiy7k_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1511958309\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}