Rorrie McCoy of Montana has reported what is to the best of my knowledge a new error coin combination never seen before by the hobby!
While I have seen several of the basic error type, I have never seen or heard of one with this combination of effects. The coin has a long-winded description being a 2007-D Idaho state quarter struck on a partial copper obverse rolled to proper quarter thickness with two areas of a missing layer of nickel alloy cladding that fell away after the planchet was produced; one area at about 11 o’clock fell away before the planchet was struck, and the other larger area of unbonded cladding below the TE of UNITED fell away after the coin was struck. The area of copper rolled to proper thickness falls between these two areas running from Washington’s forehead to the rim.
If all this sounds complicated,
Read more here.
