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
Metal Couture Because of the size of the pieces, they are generally not made of precious metal as jewellery would be, as this would make them prohibitively expensive. Various types of Metal are used for making metal couture, including steel, stainless steel, copper, aluminium, but may include other materials. Metal couture was first featured in fashion shows in the early 2000s, in both mainstream, high-end couture and Alternative fashion/subcultural fashion shows. Some Metal Couture has featured in product promotional photography, stage shows, art installations and the catwa lk. Other items have featured in film stage and in the video clips of performers,