1953 Fher Sport Magico
Country of origin: Spain
Size: 3" x 2-1/2"
This unusual set produced be Editorial Fher in Spain contains of 128 cards printed on thin paper with "3-D" images and illustrations of athletes. Some cards form a traditional 3-D image when wearing 3-D glasses such as this card of the harlem globetortters, while the illustrated cards depict a different image depending on whether you look through the red lens or the blue lens.
Additional resources: Album pics + partial checklist