VTG NWT Pendleton Classic rayon blouse size 8 hidden buttons high neck floral

VTG NWT Pendleton Classic rayon blouse, size 8 Machine washable Hidden button placket High neck that buttons on the side Black with mauve/burgundy floral pattern 20" pit to pit 26.5" base of collar to hem at center back Purchased at an estate sale; might need a cleaning, as it has been in storage. The pictures are part of my description. Please look carefully at the photos and ask questions as needed. Thanks!