Vintage shirt, 70s medium floral pink blue button up long sleeves original belt polyester peplum long tunic collar casual blouse

Vintage shirt. Unknown maker. Button up front. Original belt. Pink and blue floral pattern. Collar. Long sleeves with button at wrist. Gathering at shoulders. Long tunic. Casual style blouse. No fabric content label, but it's definitely polyester.

(measurements taken flat)
Label size: unknown (estimate medium)
Bust: 22"
Waist: 22"
Length: 26.5"
Shoulder width: 16.25"
Sleeve length: 24"

Excellent vintage condition. No rips, holes, or stains.