- 1866 2 Cent Piece (Common Date): The 1866 2 cent piece is a common date in the series and is not particularly rare. In circulated condition, it can be worth around $1 to $2.
- 1866 2 Cent Piece (Proof): Proof coins are special coins that are produced for collectors and are not released into general circulation. The 1866 2 cent proof is relatively scarce and can be worth several hundred dollars.
- 1866 2 Cent Piece (Rare Varieties): There are several rare varieties of the 1866 2 cent piece that can be worth significantly more than the common date. For example, the 1866 2 cent piece with a doubled die obverse is a valuable rarity that can be worth thousands of dollars.
To determine the exact value of an 1866 2 cent piece, it is best to consult with a professional coin dealer or numismatist who can assess the coin's condition, rarity, and specific details to provide an accurate appraisal.