This is a marked Coro pin with amber color rhinestones all around and brushed goldtone as a background. It is 2 3/4" tall by1 3/8" wide. There is a bit of flaking of the goldtone at the bottom of the pin, but all in all a very nice Coro piece.
These have a center square that has metallic and multi-colored flecks of material encased in a urethane coating which makes the earring change its color as it moves. All in a 3/4" square with sparkling rhinestones. Very nice and unusual vintage set of clip-on earrings.