Has an AFL game ever ended 150-99?
Exactly once. On April 3, 1971, Richmond beat Fitzroy 150-99, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 150-99 in league history.
That makes 150-99 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 151-99 has happened 1 times and 150-100 has happened never.