{"product_id":"144496","title":"144496 1946 'SWIFT'S' PROVISIONS ADVERTISING MAIL BIRMINGHAM TO CHICAGO, U.S.A.","description":"1946 'SWIFT'S' PROVISIONS ADVERTISING MAIL BIRMINGHAM TO CHICAGO, U.S.A.  Envelope sent sea mail Birmingham to Chicago KGVI 2½d light ultramarine (SG489) cancelled 'BIRMINGHAM' 29 Jan 1969, on reverse fine illustrated advert 'Swift's cheese' 'Swift's corned beef' etc. (Ref 144496).","brand":"Bill Barrell Ltd","offers":[{"title":"Default Title","offer_id":57266666733948,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/www.barrell.co.uk\/products\/144496","provider":"Bill Barrell Ltd","version":"1.0","type":"link"}