International letter with perfin “ACI” in the stamp. The letter is franked correctly with 40 øre, which was the rate for international letters in the period from February 1st 1921 to October 31th 1925. The stamp is cancelled October 13th 1925 with TMS Nr. 5.2 København *OMK*

A15b A.C. Illum

Illums bolighus
Østergade 52-54
1100 København K

“ACI” has been seen used in the period from December 1925 to October 1941


18 13 11

Known positions

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Green indicates the Perfin position on the current item.

A.C. Illum the famous furnishing store was founded 1891 and still existing in Copenhagen.