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
Flans performance at the prestigious Auditorio Nacional in Mexico City. A new album, "Hadas", was released later that year and promoted throughout 2000, with the singles Hadas, Tu Eterna Pesadilla, Rufino and Si Te Vas. Due to a dispute with their former manager (Mildred Villafañe) over the ownership of the name "Flans", the group changed their name to "IIM" in 2002 and released a new album featuring three new songs and new versions of their greatest hits. In 2006 Ilse, Ivonne and Mimi regrouped for a goodbye tour titled "20 Millas Después". Once again performing under the name Flans, they offered