From Rhett Bartlett's youtube account.
The only known footage of the cheersquad banner celebrating Richmond winning 1974 Australian Championship:
Click on image to watch:
https://www.youtube.com/watch?v=YrpP70Ki1hQFootage is from Rd 2 1975 v Geelong at MCG.
Richmond had defeated Tasmanian League and then Sturt in October 1974 to win Championship of Australia.
Last quarter of the final against Sturt here: https://www.youtube.com/watch?v=QeAEs8JYYsA
