Vintage early 80’s Gap button down blouse Large

Funky styled early 80’s Gap button down blouse, appears to be streamers and confetti in pink, red, orange, green, yellow and white on a black background. Soft and silky like a lightweight pajama top; gathered, pleated detail around collar band. Great top for everyday or maybe inspire a fun Halloween costume. Snag on outer edge of left bicep area, like leaned against a rough surface while wearing. In otherwise excellent vintage condition. Approximate measurements shown in photos.