Depends. The AFL derived from the VFL. The VFL started in 1897 and that premiership won by Essendon. The VFL was renamed AFL in 1990 and that premiership won by Collingwood.
Brisbane Lions. It was their third straight premiership.
It was the Collingwood Magpies
Adelaide have won 2 premiership cups 1997 and 1998.
In 1960 the VFL/AFL Premiership was won by: Melbourne