First Spaceship on Venus
Der schweigende Stern (original)
A mysterious magnetic spool found during a construction project is discovered to have originated from Venus. A rocket expedition to Venus is launched to discover the origin of the spool and the race that created it.
Starring Oldřich Lukeš, Ignacy Machowski, Julius Ongewe, Michail N. Postnikow, Kurt Rackelmann, Günther Simon, Hua-Ta Tang , Lucyna Winnicka, Yoko Tani, Ruth-Maria Kubitschek
Watch "First Spaceship on Venus" on Amazon released in 1960. It's a science-fiction and family movie, and has a rating of 4.6 out of 10 from Imdb which is fairly low for this kind of movie, and is currently only available for purchase or rent.