Vintage 1970s dagger collar blue blouse

Long sleeve button down blouse with the classic 1970s pointed dagger collar. Color is between a cobalt blue and navy blue and is quite striking. The cuff has a unique notch for an intersting detial. Size and brand tag are missing. Fits like a modern small or medium, depending on your fit preference. 100% polyester. Flat lay measurements: Pit to pit: 18 Waist: 17