A massive German Gym and Sports Celebration (Deutsches Turn- und Sportfest) was organized by Nazis in 1938 Breslau (now Wroclaw, Poland). German athletes from all over the world were invited and participated. 
 
You can choose from the set of three different commemorative postcards:
Men's Relay Run 
Women's Shot Put
Commemorative card with 4 canceled post-stamps issued for that occasion
 
The post stamps depict 4 landmarks of Breslau (Wroclaw)
Jahrhunderthalle (UNESCO heritage now), 15Rpf, purple
Rathaus (built in 13th century), 12Rpf, red
Hermann–Göring–Stadion, 6Rpf, green
Old Town of Breslau (Wroclaw), 3Rpf, brown 
 
Postcards with male and female athlete can come with commomorative canceled post stamp on the reverse, or blank. Men's Relay Run postcard with Jahrhunderthalle stamp and Women's Shot Put postcard with Old Town stamp.