Has an AFL game ever ended 69-9?
Exactly once. On August 10, 1901, Essendon beat Sydney 69-9, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 69-9 in league history.
That makes 69-9 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 70-9 has happened never and 69-10 has happened never.