Genuine Ford Mustang GT 50 Years 50th Anniversary Empire State Building Kyechain Key Chain - LIMITED EDITION Brand New Genuine Ford Mustang Limited Edition Empire State Building Keychain Commemorate the date that Ford placed a 2015 Mustang GT convertible onto the observation deck of the Empire State Building with this limited edition die-cast keychain. Imprint on backside reads 50 Years Empire State Building April 16 - 17, 2014. Measures 1.75" diameter.