International post card with perfin “N.B.” in the stamp. The post card is franked correctly with 20 øre, which was the rate for international post card from November 1st 1933 to June 30th 1940. The stamp is cancelled June 25th 1934 with Tønder Bro II

N 11 Nordslesvigs bank

M. C. Christiansen

6270 Tønder

“N.B.” has been seen used in the period from October 1921 to January 1944

Needles

19.19.

Known positions

* * * *
* * * *

Green indicates the Perfin position on the current item.

Nordslesvig’s bank was founded in 1920 and liquidated again as early as 1926.
How the perforator or unused stamps ended up with M. C. Christiansen is not known.