1970s poly blend button-down dagger collar shirt.
Hound? print.
Thai brand tag.
No major noticeable imperfections.

Size: Suggested for a men's small/medium.

Measurements:
Chest: 18" across (36")
Shoulders: 18" 
Sleeve length: 24.5"
Arm opening: 8"
Length: 29"
Hem: 18.5"