Fancy silver wedding ring. 20th century

A large silver impressive engagement ring built like a fortress and around it four towers. in the center of the ring the fortress with windows cut out in very delicate work and embossed writing- "קול חתן וכלה" "קול ששון ושמחה" around the ring, and the word Mazl tov as well.the ring opens and in it a goblet and a olive leaf.height- 6.5 cm, weight- 80 gram. in a excellent condition.