' Today a friend of mine showed me a Lincoln Cent that he found back in the 70's that has no date. I only have a desk magnifying glass, don't know if its 2x or 3x or less. It looks like there is no trace of the date numbers. Don't know much about errors & die varieties. Never heard of this, just missing mint marks and some weak letters. Did a word search and looked thru FAQ, but can't find anything. I'll be interested to find out more and answer questions.