Mint-made errors are called "type-2 blanks (or planchets)" after an upending mill adds uniform, rounded rims. Type-2 blanks may also be considered striking errors as they are prepared correctly, but are released without having been struck. A misfeed can occur when the metal strip is fed through the blanking machine. The punches sometimes overlap the leading edge of the metal producing a straight clip. Sometimes, the punches strike an area of the strip which overlaps the hole left by the previous strike producing a curved clip. Sometimes punches strike the irregular trailing edge of the metal strip producing irregular clips. Coins are
Billy Blanks Billy Blanks Billy Wayne Blanks (born September 1, 1955) is an American fitness guru, martial artist, actor, and the creator of the Tae Bo exercise program. Blanks was born in Erie, Pennsylvania, the fourth of fifteen children. Blanks began his study of the martial arts at the age of eleven, attending Karate and Taekwondo classes. He was born with an anomaly in his hip joints that impaired his movement. The resulting clumsiness caused taunts from Blanks' siblings and led his instructors to believe that he would never accomplish much. Blanks found the answer to these challenges in karate. When he