Opinions Please Still Chasing The 1959 D Small Date Lincoln, It Cold Be?

Hi me again sorry for beating a dead horse. I have inquired with the auction house that let a reputable Coin Dealer list a 50 coin Bank Roll from the Federal Reserve Bank of Chicago. I have more time now to investigate this to either hold the dealer up for Misrepresentation... History... I bid on and won a full roll of Lincoln pennies under the listing Titled " 1959-D Small Date Pennies Federal Reserve Of Chicago Original Bank Wrapped Roll UNCIRCULATED!! " All 50 Coins did in fact turn out to be Shiny uncirculated 1959 D Lincoln Pennies. I have read thru the Red Book and learned of the infamous 1959 D Mule Pennie that like the titled auction listing I won should not exist. I also learned that the Denver Mint was known for switching Dies during the minting process That like the Mule penny Could have caused numerous dsate variations as the newer Die would be sharper and less worn possibly resulting in a date variation. So with thos factors abound lets do some digging if you would bear with me. I had more time to get it under magnification and used the only method I can think of with what I have to Measure the "9's" better and I did find an quantitative difference. With this coin having two "9's" It is helpfuL to get a look at the difference. So bear with me kindly and thank you for reading and as we all do investigate Coins based on conDiTION, variation and possibly errors such as the double dieing. If anything I only being 41 years young and havinga moderate level of coin knowledge with an extremely high level of investtigative intuitness, Maybe I will provide some unknown knowledge.. Ifound an article of a man who in his 3 bank rolls of 1969 S Lincolns found a rare double dieing. At the time in 1970 c ounterfiters had tried to sell the same instance of that error just by coincidence. The finder contacted PCGS who was skepticle and latter learne dthis guy was knowledgeable on the subject so the coin was sent in the PCGS Die Variety expert believed that the guy he was talking to may actually have stumbled onto what is estimated to be only 40-60 coins and it was described as mint state by the owner, which coming from a new bank roll made sense. so I will quit story telling and leave you with this quote before I upload my magnified imaages and used a piece of paper as a straight edge to measure the lengths of the 9's which unless I am seeing things there is a difference. final thought from the spruce crafts..."What Tremonti's find makes clear to all of us is that there are still lots of very valuable error and variety coins waiting to be found. Whether you are checking your pocket change or searching through rolls of original bank wrapped coins, there are still errors to be found. As it has been frequently said, "Are you sure you didn't spend a $30,000 penny for your lunch yesterday?" o.k. One last important variable OI am using. fortunately I have a 2 NGC graded 1955 S and D Lincoln coins graded MS 66, which I used to see the variations in the 9's. Thanks in advance...if all this turns out for not than I have 50 Beautiful shiny Uncirculated 1959 D coins. Also keep in mind the next year was the 1960 D small date Lincoln...