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
Rewari metal work the brass sheets, the basic shape of the product. Two dies are used for making the three basic pieces of tokni and dekchi; and one for making the only piece for parati. Heavy wood hammers are used in the initial stage and later on detailed finish is given by smaller metal hammers. Craftsmen wear hand and toe leather caps for protection. 2. Joining the joints: Borax powder, commonly known as suhaaga mixed in lukewarm water, for making a thick paste. The pieces to be joined are then placed edge to edge touching each other and this paste is applied on