Strv m/42-57 Alt A.2 Tier 6★ Premium / Special tank
As part of development of the Strv 74, a project was proposed for a vehicle with the oscillating turret of the French AMX 13 tank and the 7,5 cm kan strv 74 gun; however, the vehicle was never built.
Marks of Excellence requirements for Strv m/42-57 Alt A.2: beta