The Sovereign
The Sovereign is a residential skyscraper in the East Midtown neighborhood of Manhattan in New [York City], near the border with the Upper East Side. It is located at 425 East 58th Street east of First [Avenue (Manhattan)|First Avenue]. The skyscraper was designed by Emery Roth & Sons in the International Style architectural style. It was built in 1973, and is tall, with 48 flights of stairs.