I rarely carry or spend cash, and when I do spend it, I pay almost no attention to the coins I receive as change. They immediately go into a tip jar, the console in my car or my change collection.
I used to collect coins, but in the way kids did it. I had a penny album in the 1970s and I was looking for a penny from every year. The hardest one to find was the 1943 one made of steel, since copper had other uses during World War II. It may have been the last one needed to complete the book, but I found one. I think I still have this penny album in a box somewhere.
These two things combined made it not surprising and very surprising that I noticed a 2018 penny at the very end of the year. I had never seen one before. In fact, I don’t even remember the last time I even noticed the date on a penny.