This is revision A of Super Fire Pro Wrestling III - Final Bout, suggesting a minor update addressing bugs or making small improvements to the original game.  The development remains credited to Human Entertainment, and its release was in Japan for the Super Nintendo Entertainment System.  Revisions like this are common in video games to fix technical issues or make minor balance adjustments after the initial launch. 

Super Fire Pro Wrestling III - Final Bout (Japan) (Rev A)

Super Fire Pro Wrestling 2 (Japan)