Yes there is that technical catch and the first Supers were manufacteured in 1970 but sold as a 1971.

The Automotive Industry standard is that in August it is sold as the next year model. Consequently, a car made in 8/70 would be a 1971 model.

That is why WipEout's is a 1971 and mine, made in 8/72 is a 1973.

Look under your front fender. If you see a strut, it's a Super.