Upper 10
Here are two versions of first generation Upper 10. These are very hard to find in any condition and they date back to 1955. Notice the slightly darker green version on the left hand side.
Circa: 1955
Here is the first generation of upper 10 soda cans. There are two variations that exist. There is a dark green and a lighter green. Here are both examples.
Circa: 1961
Circa: 1963
This version has white coloring rather than shiny.