Vintage egg shell diorama on Stand

I am unsure of the type of egg . 

Real grass , leaves and miniature plastic deer

Inside egg is painted blue 

decorated with golden braid, trim

 Brass stand  

 elegant on its sturdy stand.

Dimensions: 3" tall (including stand) 2 1/4" without stand

 1 1/8" wide

1 1/2" deep

 WARNING: For items made of or containing brass:  This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.