An impressive and substantial example of vintage California studio pottery, dating to 1985. This large, artist-signed ceramic vase features a dramatic combination of sculptural form, expressive surface decoration, and contrasting glaze treatments characteristic of late 20th-century American studio ceramics. The exterior showcases a striking radiating sunburst design in warm earthy brown against a soft cream-colored ground. Deep glossy black accents and mottled charcoal glazes provide additional depth and texture, creating a bold visual composition with strong modernist and postmodern decorative appeal. The underside is signed S. Rina, ” dated 1985, and inscribed “San Francisco. The signature is presented as it appears on the piece; the artist’s identity has not been independently established. Height: Approximately 17½ inches. Maximum width: Approximately 10 inches. Mouth diameter: Approximately 6 inches. Weight: 9 pounds, 12.2 ounces. Origin: San Francisco, California. Production: Studio art pottery. Signature: Signed, dated, and inscribed on underside. With its commanding proportions, bold geometric decoration, and distinctive glaze palette, this vintage vase makes a striking statement piece for collectors of California studio pottery, American modernist ceramics, and 1980s decorative art. A substantial, individually crafted work that offers both sculptural presence and visual interest, equally suited to a curated art pottery collection or sophisticated contemporary interior.