Hello! There is several types for this model of costume jewelry made by Coro. First of them ( the ones with amercan eagle in the center ) are made in the 1927 after the visit of Queen Maria in U.S.A, The replica type (first one from your picture) is made in the '45 -'50. If you need more information you can follow this link : http://artantik.ro/blog/istoria-unei-bijuterii-de-colectie-colectia-de-bijuterii-coro-dedicata-vizitei-reginei-maria-in-statele-unite-1926/
They are not fake or replica, just costume jewelry made to celebrate an special event.
kind regards,
Neagu c. Andrei
online store manager www.artantikro