Vintage holographic disc turtle brooch pin gold RARE Very cool 60's 70's vtg

Vintage hologram holographic turtle disc brooch, I don't come across this type jewelry often, I've had two others a cat and just a figural , these are super cool , the disc does have some scratches but the way it shines and the hologram you can't see it well, it doesn't just stand out! very nice gold with no wear, the pin is slightly bent, it's a sturdy pin. Measures 2" tall by 1.5" wide Very collectable box 15