Detailed Explanations for used abbreviations in the online catalogue.
BZ - sheet mark
F - printing error (misprint)
Faks. Us. - facsimile
FZ - company logo
KN - control number (serial number)
li. - left
M - Specimen
re. - right
Rs. - back
Stpl. - stamping
Udr. - underprint (backround printing)
Udr.-Bst. - underprint letter (backround-printed letter)
Us. - signature
Vs. - face
Wz. - watermark