Mint-made errors 5 centavos. Foreign coins struck on a U.S coin planchet or vice versa are very uncommon and hold a high value. Authentic error coins should not be confused with coins that are damaged after being minted, which is known as post-mint damage (PMD) or post-strike damage (PSD). Mints purchase long strips of metal which are fed through blanking machines that punch out disks known as blank planchets (or simply as planchets or blanks) on which coins are struck. This determines the size and shape of eventual coins. The punched disks are first known as "type-1 blanks (or planchets)". The disks
Fantasy Pieces for Oboe and Piano Fantasy Pieces for Oboe and Piano Carl Nielsen's Fantasy Pieces for Oboe and Piano ("Fantasistykker for obo og klavier"), Opus 2, were composed shortly after the composer had taken up the post of second violinist in the Royal Danish Orchestra in 1889. The two pieces which make up the opus were first performed at the Royal Orchestra Soirée in Copenhagen on 16 March 1891. The oboist was Olivo Krause (to whom they are dedicated) and the pianist Victor Bendix. In her list of Nielsen's compositions, Emilie Demant Hatt notes that the first fantasy piece, "Andante" (later "Romance") was completed on