Indian Head gold pieces was modified by Barber, was "worthy of J.J. Audubon". Dies for the half eagle were sent to the mints in Denver and San Francisco; both western mints reported difficulties in striking the new pieces. Landis wrote to his counterparts at the other mints, advising them that the planchets, or blanks, needed to be shaved very slightly to strike properly. The new coins proved to be thinner than earlier coins of their denomination, due to the field being raised above the design. This meant that automated sorting machines could not reliably sort them when mixed with earlier coins. The new gold
Ten Easy Pieces (Bartók) the initial dedication is not numbered. It has an overall approximate duration of 17 minutes. The movement list is as follows: Bartók makes an extensive use of pentatonic scales, modes, novel harmonies and ostinato. All the pieces have a duration of about one or two minutes. Out of all 11 pieces, only three are based on folk tunes: numbers three, six and eight. The rest of the pieces were created in their entirety by Bartók, who used to make a great number of short pieces for piano using folk-like structures and melodies. The dedication uses material that he associated to