Buying RCA EMPLOYEE Service Award Pin - for a Female

The applied center RCA emblem with emerald green stone is the focal point of this approximate 1" diameter pin. The center emblem is most likely 10K gold with the ornately pierced backing being goldtone metal; the gemstone could be a real emerald. This is a quality piece with a locking clasp and the back marked "cTo". As a years of service pin, the "emerald" most likely buying signifies 20 years and could have been for a female employee because most often these awards are in the form of a tie tack or tie bar.