Vintage Burberry cotton button down blue white striped blouse size 4 shirt

Great vintage blouse in nice breathable cotton fabric. This is in good pre-owned condition but does have slight markings that I believe will come out with a wash (I have never noticed them until listing this! I don’t think they were there before and may be from my steamer). True to size 4. Armpits may be very lightly discolored but I didn’t see any markings.