854 5th Avenue New York City 

 Gilded Age Mansion in Manhattan, built in 1905 for Robert Livingston Beeckman, USA

Article:
https://www.housebeautiful.com/design-inspiration/real-estate/a31025843/gilded-age-manhattan-mansion-for-sale/?source=nl&utm_source=nl_hbu&utm_medium=email&date=022220&utm_campaign=nl19490707