AI Appraisal Estimate

This is a pedestal-style glass bowl characterized by a distinctive 'tulip' or floral petal design. Likely mid-to-late 20th-century vintage (circa 1970s-1990s), this piece features a high-quality glass or crystal body with a multi-textured finish. The bowl is composed of vertical, overlapping petal shapes that create a scalloped rim. Each petal alternates between a polished clear finish and a frosted/acid-etched finish, which adds visual depth and a sense of movement to the piece. The bowl sits atop a thick, faceted stem that flares out into a six-lobed clover-shaped base, providing stability and complementary geometric detail. The construction appears to be molded glass with secondary hand-finishing for the frosted sections. In terms of condition, the glass retains excellent clarity with no visible chipping or deep cracks, through minor surface scratches (shelf wear) may be present on the underside of the base. This design is highly characteristic of the Rosenthal Studio-Linie, which often collaborated with international designers to create sculptural glassware. The thickness of the glass suggests durability, while the frosted contrast highlights the delicate petal contours, making it a functional piece of art glass.

Based on my visual examination of the provided images, this item presents as a Rosenthal Studio-Linie Tulip Form Crystal Pedestal Bowl. The piece exhibits the classic mid-century to late-20th-century aesthetic characteristic of Rosenthal's collaborative designs, featuring an alternating pattern of polished clear and frosted/acid-etched glass petals that form a scalloped rim. The thick faceted stem and lobed base indicate good quality molded glassware, consistent with the identified maker. From a visual standpoint, the condition appears excellent. The glass retains its clarity, and I do not observe any significant chips, cracks, or repairs. Minor shelf wear on the underside is expected for a vintage piece of this age and does not detract from its overall appeal. The market for mid-to-late 20th-century Rosenthal glassware remains steady, though pieces of this specific form are relatively common. Demand is largely driven by collectors of mid-century modern glassware and those seeking functional, decorative art glass. Comparables of similar Rosenthal Studio-Linie bowls typically sell in the $40 to $70 range, depending on the venue and exact condition. Please note that this appraisal is based strictly on visual examination of the provided images. While the design and construction are highly consistent with Rosenthal, an in-person inspection would be required to physically verify the presence and authenticity of any maker's mark or etching, as well as to confirm the exact material composition and detect any hard-to-see micro-fleabites or restorations.