AI Appraisal Estimate

This item is a cylindrical ceramic tumbler or cup, likely crafted from stoneware or terracotta given the deep brownish-red clay body visible at the base. The exterior features a prominent two-tone glazing scheme, consisting of a high-gloss black field accented by large, fluid abstract shapes in a matte or satin terra cotta red. The base is characterized by three distinct horizontal incised rings, adding a tactile element and a classic pottery aesthetic. Standing approximately 4 to 5 inches tall (comparable in scale to the adjacent 12oz soda can), the piece exhibits a hand-thrown quality with a slightly irregular rim and substantial wall thickness. The interior glaze appears to match the red of the exterior motifs, suggesting a dip-glazing technique was utilized. The condition is generally good, with a smooth, reflective surface on the black portions, though minor surface scuffs and manufacture-related glaze skips may be present upon closer inspection. The style is indicative of mid-20th-century modernism or contemporary studio pottery, emphasizing organic forms and high-contrast earth tones. Its craftsmanship suggests it was intended as utilitarian ware with an elevated artistic design, often found in artisan boutiques or pottery studios from the late 1970s to the present.

I have examined the studio pottery tumbler via high-resolution imagery. This piece exhibits a robust stoneware body with a distinctive two-tone wax-resist or slip-trailed glaze application. The high-gloss black field contrasts effectively against the matte terracotta-toned abstract motifs, a style synonymous with mid-to-late 20th-century artisan craft. The condition appears excellent with no visible chips, cracks, or significant crazing, though minor shelf wear on the unglazed foot is noted. In the current secondary market for unsigned studio pottery, value is driven primarily by aesthetic appeal and utility rather than maker prestige. Similar anonymous stoneware tumblers of this quality typically realize prices in the $40 to $80 range at boutique auctions or vintage marketplaces. The triple-incised banding at the base adds a professional finish, yet the lack of a visible potter’s mark restricts its valuation to that of 'decorative utilitarian ware.' A significant limitation of this remote appraisal is the inability to physically inspect the interior for 'pitting' or glaze stability, which affects functional safety. Furthermore, without a signature or kiln mark, the specific artisan or regional origin cannot be definitively identified. To provide a full authentication and potentially higher valuation, I would require provenance documentation or an in-person examination to locate faint maker marks under the glaze. For insurance purposes, a replacement value of $75.00 is recommended.