1943 steel cent coins. The copper cents differ from their steel counterparts in four ways: In an error similar to the 1943 cents, a few 1944 cents were struck on steel planchets left over from 1943. There are two explanations given for why this happened. One explanation is that steel planchets were left in the press hopper and press machines from the previous year mixed in with copper planchets. Another explanation credits the error to the production of 25 million Belgian two franc pieces by the Philadelphia mint after that country's liberation from the Nazis. These coins were of the same composition and
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