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
Flans "Flans", was launched in 1985. Their style was mainly pop music and ballads although one of their albums ("Cuéntamelo Dum-Dum") was somewhat child-oriented. The group released a new album every year until 1991 when they separated, with a national tour and the release of their "last" album: "Adiós". After their separation, Ivonne married and devoted herself to painting; Mimí and Ilse started solo careers, with Mimí also being the host for a TV show. Rumors of a reunion started in early 1999 and were confirmed with a performance at the Acapulco Milenio Festival, followed by a tour which included several