From time to time I need to rely on hours of searches all over the web to try to identify a particular piece or variation of a piece. It can sometimes just be too hard. These kinds of passion sites are what made the old internet incredibly valuable and I'm so glad they can still exist.

The text here about American paper currency is also really interesting https://creounity.com/apps/time_machine/?go=mints.php&lang=e...

I would like to see this in a timeline format where all the different eras can be shown along side each other.