Baseball Golden Anniversary All Star Game autographed envelope. Envelope was produced by Gateway Stamp Co, gatewaystamp. The envelope has a First Day of Issue stamp of Babe Ruth postmarked in Chicago, Jul 6, 1983. Comiskey Park, Chicago is where the first All Star Game was played.
The Fred Lynn envelope details the American League starting lineup. Note: in this All Star Game Fred Lynn hit the first ever Grand Slam in All Star Game history. The envelope was limit in production to 1000.