Type 1 = The screened blanks are then put through a machine which rolls them on their edge in grooves set in a stationary circular segment and a revolving wheel. As the blank passes through these parts it is under pressure from both sides which pushes the metal on the edge back and raises it-slightly. This action gives a uniform edge and size to all blanks and also helps in the striking of the coin designs and extends die life. It is called edge marking or upsetting.
Once this process is complete the planchet is now a Type II