Vintage cobalt blue glass large salad bowl Rare

Vintage 1970s This is a beautiful cobalt blue glass The inside is smooth. The outside is covered with wavy ribs, like the ocean, and seven sea shells. There's a starfish on the bottom pattern pressed glass. Hard to find item rare round, 10 1/2" across the top, 4 1/2" high on a 4 1/2" base. No chips or cracks--it's in perfect condition.