Black silk 60s trench coat from Carven featuring a classic collar, long sleeves, button cuffs, side pockets and a front button fastening with logo buttons. (1stdibs.com)
Detachable overlay with button fastening at back. (polyvore.com)
The shirt has a double layer of ruffles on the front, a stand collar and a slight open back with a single button fastening at the back of the neck. (religionclothing.com)