There's little I like more than witnessing expertise and enthusiasm in action. Even if it's a topic about which I'm completely ignorant (which is most).
Nice!I have a Roman coin that was dug up under a bridge with a load more in Yorkshire. It is from the period of Emperor Victorinus and is circa 1,500 years old ::
https://www.youtube.com/watch?v=Ez2rLz4KcuE&list=FLpIPfNJcz8cF_HK3IR_FURA&index=66