Postage due stamps
Czechoslovak postage due stamps were used to collect insufficient postal fees. The category includes classic and later surcharge issues used throughout the postal system.
MH
MH
MH
−12%
MH
−12%
MH
−12%
MNH
−13%
MNH
−13%
MH
−12%
MH
MH
−12%
MNH
−13%
MNH
−12%
MNH
MNH
MNH
Czechoslovak postage due stamps are a key element of postal regulation history.
Postage due system
These stamps were applied to underpaid mail and reflect standardized postal fee enforcement.
- classic postage due issues
- surcharge and numeral designs
- postal regulations
- important postal history usage
A fundamental collecting area of postal administration.