QSL Radio Luxembourg 1293 kcs Bringing Christ to Nations Label 1954 Cover DX SWL

You will find lots of QSL-cards in my E-bay Store.

A used in Sweden 1954 Happy Christmas/New Year card inside small envelope with back label "Bringing Christ to the Nations" over Radio Luxembourg on 208 metres AM. Probably printed in the USA. Not common. Size of stamps is 28 x 39 mm.  Size of cover is 55 x 95 mm. Never seen this label on a cover before. Good radio history.