Billionaire Alexey Kuzmichev, co-founder of the US-sanctioned Alfa-Bank, has listed his quadruplex at the landmarked Atterbury Mansion on the Upper East Side for $41 million. Kuzmichev bought his slice of the seven-story, 33-foot-wide home, located at 33 E. 74th St., in 2016 for $42 million, as we previously reported. His neighbor is Bob Iger, ex-CEO of...