Many thanks to SWLing Post contributor, Lennart Weirell, who shares the following
I read the posting about Radio FAX, and I heard the station 1988-10-23, but on MW 1611 kHz a frequency they also used.
[Please see above and below] a copy of the QSL-card and stencil from Radio FAX.
Back of QSL Card
Thanks so much for sharing your report with us, Lennart!