Indian Head gold pieces
... that the Indian Head gold pieces are the only circulating U.S. coins to have a recessed design?
... that the <b id="mwA8Y"><a href="./Indian_Head_gold_pieces" id="mwA8c" rel="mw:WikiLink" title="Indian Head gold pieces">Indian Head gold pieces</a></b> <i id="mwA8g">(quarter eagle pictured)</i> are the only circulating U.S. coins to have a recessed design?