... cool, thanks for posting ... your photo brought back some fond memories of my shortwave radio listening days (1970's and 80's), when I sent for, and collected 'QSL cards' from international radio stations I had received, and listened to. I received many cards, along with several very "period" posters, and calendars from a few.View attachment 2397711 Tourist shop on Ma May street. Hanoi, Vietnam. November, 2022.