Has an AFL game ever ended 131-104?
Exactly once. On April 22, 1978, Essendon beat Carlton 131-104, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 131-104 in league history.
That makes 131-104 the 3884th most common final score out of 6,649 that have ever occurred in AFL. One point away, 132-104 has happened 4 times and 131-105 has happened 1 times.