Has an AFL game ever ended 52-34?
Exactly once. On June 28, 1919, Sydney beat Geelong 52-34, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 52-34 in league history.
That makes 52-34 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 53-34 has happened never and 52-35 has happened 1 times.