- Date of Issue : 20 September 1919 - 1921
- Printer : Atelier du Timbre, Malines
- Printing : overprint on 1915-1919 issues
- Catalogue N°s: COB OC38-OC54. Michel Belgische Militärpost in Rheinland 1-17.
For use by military, valid until 30 April 1931.
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Rose-lilac and Black 1921 issue
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