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
Neoclassical metal Horizon, Concerto Moon, Pier Gonella, Adagio, Dark Moor, Artension and Stratovarius. A common practice in the genre is to transcribe classical pieces and play them in a rock/metal band format. The Baroque and Classical periods have been particularly influential to the genre because of their unique sound and techniques that blend into a rock setting effectively. Although neoclassical metal differs in theory and structure than neoclassical orchestral music, there are distinct styles and progressions that make a metal piece neoclassical. The complexity of keys and scales make playing neoclassical metal difficult without a strong foundation in music theory. In contrast