Colour Comics' Superman Supacomic #150 was published c.February 1972:
This is one of the most famous Neal Adams covers, originally appearing on the cover of Superman #233:
But you may not know there was an Australian precursor to this iconic image:
The cover to Colossal Comic #17 is by Hart Amos, published by K.G. Murray c.April 1961
Now, I'm not saying it's a conscious swipe - I seriously doubt Adams knew of a 10-year-old comic published in Australia - but I am asserting the similarities begin with the pose and the breaking of chains, and extend to the radiating glow.
And Australian readers of Superman Supacomic in 1971 may well have recalled the earlier image from Colossal Comic #17.