Delicate Vintage Austrian Crystal Blue and Yellow Clip-On Earrings

Sparkly blue Austrian crystals and delicate blue, white and yellow petals.
These most appealing vintage screw-on earrings are 2.5cm wide and in excellent unused condition, having been found in boxes in an old warehouse.
The screw on mechanism is shown in the last photo and once they are on they are so light you cannot feel them and also quite secure (as long as you don't tug them !)

MADE IN AUSTRIA stamped on the back of the metal part.