Has an AFL game ever ended 148-65?
Exactly once. On July 31, 1976, Carlton beat Richmond 148-65, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 148-65 in league history.
That makes 148-65 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 149-65 has happened never and 148-66 has happened never.