With all the nice finds we pull from the ground, this piece of equipment should be on everyones desk/workbench. I attached a pic of my favorite tool. A 5x loupe should be as much a part of your gear as anything else. When you have to hand a coin or a piece of jewelry to your child to find out what the hallmark or mintmark is (or date), you know it's long past the time when you should have bought one. Inexpensive, as little as 7 dollars. A must have..... ...Gil