Click on the picture to see a close up.
Here is an interesting note: The Ecology Medallions were distributed in a white paper wrappers inside Kellogg's cereals in 1975. This is different from every other R&L Co premium which was in a cellophane wrapper.
See More Ecology Cereal Premiums here Ecology & Conservation
See the rare 7th R&L Ecology Medal
Cereal Premiums | R&L Co. Premiums