Wolin (Poland) — July 31, 1953 (1900)
A metallic object 30 m in diameter was observed by five Polish and two German workers as it landed in a field close to a railway. It was shaped like a sphere with a flat disk around it, showing numerous openings at the periphery. (/ntelligence Digest Nov., 53)
Source: Passport to Magonia
Case: 114