Check the listing for details. Decorative Silver Encased Chambered Nautilus sea shell. Color: Silver and white, Condition: Used. Listed at 700.00 USD. Crafted for those who appreciate the natural beauty of the ocean, this Decorative Silver Encased Chambered Nautilus Sea Shell is a stunning piece of art suitable for any occasion. The intricate design of the seashell, highlighted by the reflective silver casing, brings a touch of the seaside into your home or office. The shell's chambered nautilus structure is a testament to the intricate geometry found in nature, making it a conversation starter and a unique addition to any decor style. Whether displayed on a mantle or as part of a nautical-themed room, this piece is sure to be a delightful visual accent. there is some small amount of verdagris. I am pretty sure but not 100% that the encasement is sterling silver, it has not been tested.