From an estate in Forest Hills New York this is a single owner fixture that has been rewired - it features two bulbs in each side, original filtered globes , a copper canopy , brass stems and wings and the original brass support bolts. It is 24 inches end to end - hangs to a depth of 8 inches - each wing is a diameter of 10 inches. 

It was designed by Gio Ponti  for Fontana Arte in 1953