The ring is approximately a size 7.5. The central face of the ring measures just over approximately 1/2 of an inch, or about 13 millimeters, high. The band narrows in back to just under approximately 1/8 of an inch, or around 3 millimeters, wide. (Included you'll find a US Quarter in the photographs, for the measurement-challenged and ruler-averse.) It is stamped inside, "Sterling", and signed with the "SC" inside a Southwestern style cloud maker's mark of Silver Cloud, Inc of Albuquerque, New Mexico. Weight is approximately 3.2 grams.
This is a vintage piece, which has been worn and enjoyed. There will be the expected light surface scratches and probably a few tiny dings in the silver from normal wear. The ring remains round and true. Hand polished, but there will still be areas of missed tarnish, especially in the crevices and interior.
A very beautiful and eye-catching signed vintage Silver Cloud Sterling dolphins ring. Stunningly rendered detail, both dolphins even have engaging faces. Boldly sized, but feminine and flowing. A terrific ring.