1940s Round Thin Frame Sunglasses

1940s round sunglasses with thin cream plastic frames. Marked Japan. 

Width: 5 1/4" notch to notch / 4 1/8" across the lenses 
Temple: 5 1/2" 

Condition: Good!
- The temples are very loose, one curves at the end more than the other and is thus slightly longer. Wearable as is. 
- Some light scratching on the lenses and frames.  Light residue on the temples.