Check out Winston Tailors- formerly Chipp.
I've heard that they might be closing, but I am not sure.
I used to get my clothes from them MTM before I moved to CA
over 20 years ago. Since I didn't get to New York as often, it was no longer
practical. I still have several - beautifully made and distinctive. Mine
are Ivy-derived: natural shoulders with side vents darts and nipped waists.