No tags. Estimated era: 1970s-80s.

Single stitch.

Feels like a cotton blend (fabric slightly thicker than average tees). Has lots of stretch.

Some light staining throughout. 

Size: Suggested for a women's small or fitted medium.

Measurements:

Chest: 15"-16"

Shoulders: 15" across

Sleeve Length: 6.5"

Arm Opening: 7.5"

Length: 22"

Hem: 16"