Anyone know what this nail was for? E.P.L.& P.. and what the letters stad for? Since being in northern Illinois I thought is stood for Elgin Peoples Light & Power...??? It could be anything though..Nothing came up under that name. Maybe It looks to be a pole maker nail with such a large head. Solid copper nail. It is unused. Bought at a local auction a few months back. Any help is appreciated. thank you