I have these two novelty key rings from 1977. The one with the bill notes has 5 laminated plastic USA bill notes ($5, $10, $20, $50 and $100). The bills decrease in size with the largest $100 bill measuring 3 1/8" x 1 1/2". The other ring is attached to a green wool hat with a white pom pom. Both were used but in good condition. A nice pair of key rings over 40 years old. 

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