Vintage Cox 5th Ave Swing Coat

This beautiful vintage coat is black wool with rare white fur collar ( mink)? Not sure. 2 button with 2 side pockets. Nicely lined. Approx measurements, collar to bottom hemm 38", pit to pit 23", top of shoulder to end of sleeve 23", neck to top of sleeve 3 1/2". Buttons are 1 1/2". J...