Antique 14K yellow gold 3D Griffin Heart shape sliding charm 2.5g 17.7mm JR408

This is an awesome rare 14K yellow gold sliding charm. It showcases a detailed 3D Griffin on top of the heart-shaped sliding charm. The charm is hollow and measures 12.3 x 17.7 x 7.35mm. The sliding holes are approx. 1.6-1.7mm. Weight 2.5g. no hallmark, tested for 14K.