Planchet planchet is struck. After striking, it becomes a coin and is no longer a planchet. Occasionally, a planchet will escape the mint without having been struck. This is a blank planchet error, and is usually worth a few dollars for modern coins. Occasionally, blank planchets can be rare and valuable, such is the case for Morgan Dollar blank planchets, although authentication is highly recommended for such pieces as they would be fairly easy to counterfeit. Planchet A planchet \ˈplan-chət\ is a round metal disk that is ready to be struck as a coin. An older word for planchet is flan.
Rewari metal work dug in the ground to keep the water more cool. The basic raw materials used in the practicing of the craft are brass and copper sheets. Other than this to join the shaped pieces of various utensils soldering materials "suhaga" (it is a mixture of borax and water used to join metal pieces), brass, copper and zinc are used. Industries mainly copper & brass rolling mills are continuously producing best quality coils, strips, sheets, plates, and circles by the hot rolling and cold rolling methods. There are many manufacturers associated with copper and brass. Another process that involves washing of