Thappa, a technique of making of trade coins in early civilization. this process is basically stamping a molten metal from both the sides in a dye and also sometimes very thin cold metal sheet is forged with wood carved dyes or metal dyes. metal dyes has an impression of the design which has to be forged on the plain metal sheet. Stamping (also known as pressing) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape.
Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coinin. Abjah uncovers the ancient techniques to bring you something that is one of a kind.