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
Blanks and Postage transactions less common, but many continue to take place, especially among users of dial-up internet. On the other hand, there are still many rare recordings and bootlegs that can't be found on the internet and are in high demand by collectors. Blanks and Postage Blanks and Postage (often abbreviated B&P) is a method of acquiring recordings, typically live music, by mailing blank CD-Rs or DVD-Rs and a self-addressed stamped envelope to an experienced trader. The trader copies the desired recordings to the discs and mails them back in the envelope, receiving nothing for the service. B&P offers are most frequently