Molded glass egg cup with pigeon bird

Charming egg cup made of thick molded glass. The base of the egg cup represents a bird, perhaps a pigeon. The diameter of the egg cup seems a little smaller than usual, perhaps it is intended for smaller eggs. It is in perfect condition, no cracks or missing parts. It measures 6.5 cm in height, approximately 5 cm in width, the inside diameter of the egg cup is 4 cm. It weighs approximately 120 g.