You would have to be more descriptive of the baseball bat you have. The 1972 World Series featured the Oakland Athletics beating the Cincinnati Reds four game to three. Your baseball bat might be green because it is one of the official colors of the Oakland A's. You might have a sovenir bat sold at the ballpark in 1973.
You could add more details about your bat by using the discuss Question button below. Include all markings on the bat, and the size.
1972 American League Championship Series - 1972 was released on: USA: 7 October 1972
1972 NFC Championship Game - 1972 - TV was released on: USA: 31 December 1972
1972 AFC Championship Game - 1972 TV was released on: USA: 31 December 1972
1972 NFC Championship Game - 1972 TV was released on: USA: 31 December 1972
1972 National League Championship Series - 1972 was released on: USA: 7 October 1972
Richard Petty won the Nascar Winston Cup Series championship in 1972.
1972 American League Championship Series - 1972 Game 4 was released on: USA: 11 October 1972
1972 American League Championship Series - 1972 Game 1 was released on: USA: 7 October 1972
1972 American League Championship Series - 1972 Game 2 was released on: USA: 8 October 1972
1972 American League Championship Series - 1972 Game 5 was released on: USA: 12 October 1972
1972 National League Championship Series - 1972 Game 1 was released on: USA: 7 October 1972
1972 National League Championship Series - 1972 Game 2 was released on: USA: 8 October 1972