"Stalin's skyscraper" signet

Massive ( from 8 to 13 grams) ring with blackening in the form of Stalin's skyscraper.
Available with a matte finish on the outside and glossy on the inside.
Dimensions: central steeple is 23mm, side blocks 11mm, ring's backside width 5mm..
If you want additional engraving on the inside surface of the ring, please mention info in order comments.