1986 P Jefferson Nickel Mint Error Struck-Grease MS65

1986 P Jefferson Nickel Mint Error Struck-Grease MS65 What is a "strike through" error? Simply put; it is anything which is struck into the coin, but which was not "retained" in the strike. If the item was retained, it would be termed "struck through and retained (fill in the blank)." Coins have been found struck through buttons, wire, grease, plastic, tape, cloth, washers, sanding paper, other planchets, struck coins, foreign coins, fragments of other coins, springs, and numerous other things. It is a fascinating category of error coin collecting with lots of amazing coins within it. Where do all these things come from so that they can be struck into the coins? Well, the mint's are factories, with lots of equipment made up of thousands of parts, machines dripping grease, bolts, screws, and random debris, and so there are lots of things which could break off, come loose, or accidentally be fed into