 The American Buffalo gold bullion coin further has in common with the nickel the motto E PLURIBUS UNUM above the buffalo's lower back and the device UNITED·STATES·OF·AMERICA along the top.Differences that can be noted between the nickel and the fifty dollar piece are, on the gold American Buffalo coin the mound area of the reverse of the Indian Head nickel bearing the words, "FIVE CENTS", has been changed to read "$50 1 OZ..9999 FINE GOLD".