United Nations, European Office
1 February 1950. Swiss landscape stamps with black overprint NATIONS UNIES OFFICE EUROPÉEN.
| CONSTANT VARIETIES OF OVERPRINTS | Field number | ||
|---|---|---|---|
| I |  |
Middle horizontal line in the second F in OFFICE missing. | 22, 47 |
| II |  |
Letter N in EUROPÉEN damaged at top left. | 24, 49 |
Bibliography
- Michel Schweiz/Liechtenstein-Spezial 2003/2004, Schwaneberger Verlag, GMBH, München. ISBN 3-87858-365-6
