The most printing errors are known on the souvenir sheets.
You have two different print errors:
- missing information
the error in the sheet below is the missing fuchsia color for the value indication
- Shifted text or colors
example 1: shifted blue value indications (45cts) to the right
Shifter color of the black text to the right (as well as the emblem of the Expo 58)
Shifted blue color of the top part of the souvenir sheet
Shifted dark blue color of the below part of the souvenir sheet
Shifted yellow color but which has been reprinted at the right position (rare)