The second most common 1920s cent and even at 85 years old it is still common. It becomes more difficult to find coins that are 75 years or older which is why you should always try to keep older coins even if they are currently common.
Here's the stats...
Type/Country: 1 Cent / United States
Metal: 95% Copper, 5% Tin and Zinc
Value: $0.75 in VF-20
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comment/question and I will do my best to find out the price and history