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
Derek Blanks children's book, "“Up in the Learning Tree”" published by Lee & Low Books. Blanks entered into lifestyle and fashion Photography by developing a portfolio with works published by "Essence", BET Networks, Sony Music Entertainment, Reach Media Inc. and "Ebony". In 2009, Blanks collaborated with NeNe Leakes by photographing the cast of "Real Housewives of Atlanta" for his Alter Ego portrait series. Blanks photographed several more celebrities for the series including Chaka Khan, Taraji P. Henson, Blair Underwood, Snoop Dogg, Janelle Monáe, Rockmond Dunbar, Hill Harper, Faith Evans, Tisha Campbell-Martin, Brandy, Boris Kodjoe, Terrell Owens, Angela Bassett, Cover Girl, Nicole Ari