AI Appraisal Estimate

This is a high-quality hand-cut lead crystal vase produced by the Kusak Cut Glass Works of Seattle. The vase features a classic tapered bucket shape with a sawtooth or scalloped rim. The exterior is intricately decorated with a deep, traditional geometric cut pattern typical of the Bohemian-style craftsmanship for which Kusak is known. Key design motifs include pinwheel stars, diamond cross-hatching, and fan cuts, which create high-refraction brilliance and fire when exposed to light. The heavy construction suggests a high lead content in the glass, a marker of premium crystal. Physically, the vase appears to stand approximately 8 to 10 inches tall. Notable features include the sharp definition of the cuts, indicating hand-polishing rather than acid-masking. Regarding condition, there is significant visible yellowish-orange staining or mineral buildup on the interior lower half, likely from stagnated water or 'sick glass' syndrome, which may require professional cleaning. Some minor micro-flea bites may be present on the sharp edges of the sawtooth rim, common for its estimated mid-20th-century age (circa 1950s-1970s). The piece likely bears an etched 'Kusak' signature on the base, though it is not visible in this angle. The sheer density and complexity of the pattern reflect the superior craftsmanship associated with the Czech-trained artisans of the Kusak family.

Based on my examination of the provided images, this is a genuine lead crystal vase produced by the Kusak Cut Glass Works of Seattle, likely dating to the mid-20th century (circa 1950s-1970s). The piece exhibits the classic hallmarks of Kusak's superior Bohemian-style craftsmanship, featuring deeply cut pinwheel stars and fan motifs that demonstrate excellent refractive quality. The 8-10 inch stature and heavy bucket shape are desirable forms for collectors of American cut glass. However, the value is significantly impacted by condition issues. The interior shows substantial mineral deposits or 'sickness' (likely permanent etching from standing water), which is notoriously difficult, if not impossible, to remove from crystal without specialized acid polishing. This dramatically reduces its commercial appeal compared to a pristine example, which might retail for $125-$175. While the sharp, hand-polished cuts confirm high-quality production, the potential flea bites on the sawtooth rim further place this in a 'user' or 'cabinet' grade rather than mint condition. The market for mid-century American-cut crystal remains stable but selective; collectors prioritize clarity and perfect condition above all else. Comparable pieces from Kusak without damage typically command higher prices, but this specific vase is valued primarily for its historical connection to the Seattle glassworks rather than as a pristine decorative object. To refine this valuation, an in-person inspection is necessary to determine if the interior cloudiness is merely surface deposit (cleanable) or permanent glass sickness, and to verify the presence of the acid-etched 'Kusak' signature on the base.