Has an AFL game ever ended 76-48?
Exactly once. On May 5, 1973, St Kilda beat Sydney 76-48, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 76-48 in league history.
That makes 76-48 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 77-48 has happened 1 times and 76-49 has happened 3 times.