Just opened my 2015 America the beautiful proof set and one of the quarters is missing. Do you thing I should return it for a complete set or does it have any value do to the error???
New proof sets are not sonically sealed, if you grab the corner's there's a notch, if you carefully pull it apart each side at a time you can open it safely and insert a replacement proof quarter to fill the space, then you can pop the plastic seal back together good as new. Not sure if an error set deserves a premium