Vintage Nik Nik button down

This is a great 1970s disturb button down shirt. Please look at the pictures, It is missing the fourth button. Easily take the one off the collar and move it down. Stretch nylon, made in Italy. Across the shoulder is 18 inches, pit to pit is 21.5 from the top of the shoulder bottom is 28.5 and the shoulder to the bottom of the sleeve is 25.5.