Tucked behind a wrought-iron gate along a cobblestone lane, 7 Sylvan Court offers a rare opportunity to own a piece of Harlem's history. Built in 1899, this charming red-brick Italianate townhouse is part of a tranquil, storybook enclave just off East 121st Street between Lexington and Third Avenues. Combining original period details with private outdoor space, this residence is a true hidden gem....