Underside of lid is marked "APOLLO Made in U.S.A. 2976." The glass base is Cambridge. The image at lower right, courtesy of Suzanne Black, is of another version with a slightly different pattern of metalwork.
Apollo Studios NY, a division of Bernard Rice's & Sons made these compacts in the 1920’s. Their items were offered for sale in the prestigious Sak’s & Ovington's on Fifth Avenue in New York. The metal tops are signed either Apollo NY or Apollo Made in the USA.