This is because the artist could now draw directly on the printing plate itself.
Later series were less crude, with design modifications being made on the printing plates.
It is the difference of using four printing plates per color page vs. one for black and white.
While in college, he sometimes worked summers at the paper, most often moving printing plates and other heavy equipment.
Other errors are caused by flaws in the printing plates.
The error was caused by a printing plate with a damaged letter n.
"001", for example, would be the first printing plate created by the printer.
At the bottom, in the margin, is the number of the printing plate, No. 21.
A small amount of ink remains in the printing plate.
There are two main techniques used to create a printing plate.