16. Vintage 1970's mod button down blouse size M

amazing vintage button down blouse. 1970's with the pointed collar. There is no fabric tag but this feels like it has some wool in the blend. It is lightweight. Longer tunic style blouse. There is no size tag but based on the measurements this fits as about a medium. The lay flat measurements are as follows: pit to pit 19 inches waist 18 inches total length 28 inches