MNY381503 Mrs. Clarence Mackay and child in the portico of Harbor Hill, Long Island 1898-1910 (platinum print) by Byron Company (fl.1890-1942); 35.6x27.9 cm; Museum of the City of New York, USA; (add.info.: Katherine Duer Mackay (1880-1930) was a society beauty who married the millionaire Clarence Mackay in 1898; She oversaw much of the building of Harbor Hill, their estate on Long Island; In 1910 she left her children to run away with the family doctor;); 穢 Museum of the City of New York ; American, out of copyright.