Domestic post card with perfin “I.O.” in the stamp. The letter is franked correctly as printed matter with 10 øre, which was the rate for domestic printed maters in the period from  June 1st 1950 to June 30th 1952. The stamp is cancelled December 21th 1950 TMS Neutral København OMK. 

I 12 Ivan Olsens Eftf.

Ivan Olsens Eftf.
Vester voldgade 87
1552 København V

GPD: Nr. 951 af 02.1890

“I.O.” has been seen used in the period from January 1891 to December 1953



Known positions

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Green indicates the Perfin position on the current item.

No history yet.