Has an AFL game ever ended 59-2?
Exactly once. On May 24, 1897, Sydney beat St Kilda 59-2, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 59-2 in league history.
That makes 59-2 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 60-2 has happened never and 59-3 has happened never.