Has an AFL game ever ended 76-47?
Exactly once. On July 19, 1952, Fitzroy beat Richmond 76-47, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 76-47 in league history.
That makes 76-47 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 77-47 has happened 2 times and 76-48 has happened 1 times.