Post-WWI Occupations
Eupen 1920-21 Overprints
On 20 March 1920, Belgium released these overprints for use in Eupen.
The small issues feature one of two frame types:
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Eupen Small Denomination Frame Types
The larger denomination stamps can be found in one of two perforations: L 13 3/4 – 14 1/4 (suffix “A”) and L 14 3/4 – 15 (suffix “C”).
In March 1921, Belgium released three additional overprints.
Set Date(s)
20 March 1920 / March 1921
Watermark(s)
None
Album Page(s)
Eupen 1920-21 Overprints
On 20 March 1920, Belgium released these overprints for use in Eupen.
The small issues feature one of two frame types:

Eupen Small Denomination Frame Types
The larger denomination stamps can be found in one of two perforations: L 13 3/4 – 14 1/4 (suffix “A”) and L 14 3/4 – 15 (suffix “C”).
In March 1921, Belgium released three additional overprints.