{"version":"1.0","type":"photo","width":1024,"height":687,"title":"airmail flight cover: First manned hydrogen balloon commemorative","url":"https:\/\/static.sfomuseum.org\/media\/176\/344\/386\/5\/1763443865_mQckqdfahbP9KlZt247R3szNcpN2SOpi_b.jpg","author_name":"SFO Museum","author_url":"https:\/\/collection.sfomuseum.org\/objects\/1511958305\/","provider_name":"SFO Museum","provider_url":"https:\/\/collection.sfomuseum.org\/"}