Work in an old house converted to an office building. Snuck out back for an hour to take a break from mortgage world - and pulled these today. Been over the same area with my pro coil - the x-8 sniffed these out. I love this coil. As a new guy to this (few months) - I got my 3rd Indian head and first Standing Liberty. Indian head is 1881 and in good shape. About 4 inches down. Rang out loud and clear at classic penny numbers. I told my boss (before I dug) - that is a penny about 4 inches down. He was amazed when I pulled out what i said I would. Now he wants a metal detector. The Standing Liberty was a good signal but was at about 7 inches. My deepest old coin yet. Too worn to read the date. Love my etrac.