Congrats on your first silver coin.
Put that Mercury in a coin folder and mark it with the date and location of where it was found.
In big red letters, put "FIRST"
Congratulations
your first silver .. that's great .... guess what .... I have been doing this for over 30 years and i can tell you that you will never forget your milestones/.. I remember my first indian, my first silver quarter, my first gold ring , ect .. these are memories that will stay with you a lifetime ... great job and welcome to the hobby. jim