1943 Lincoln Head Copper Penny Auction record: $372,000 - Heritage Auctions In 1942 — in an effort to save copper for ammunition in World War II
However, during the transition period between 1942 and 1943, there were a number of leftover copper planchets that were accidentally struck with 1943 dates.
1955 Double Die Penny Auction record: $24,000 - ebay In 1955, the Mint accidentally struck a working hub and a working die
together when they were both slightly rotated differently from one another, leaving a double die impression.
There are estimated to be about 15-20,000 of these pennies still in existence, though there are many counterfeits on the market.
1969 S Double Die Lincoln Penny Auction record: $126,500 - Heritage Auctions In 1969, two men named Roy Gray and Morton Goodman began producing fake 1969 Doubled Die Lincoln cents and other counterfeit coins.
It is believed that less than 100 examples of the authentic 1969-S Doubled Die Obverse cents still exist, with only 40 examples ever certified.