AI Appraisal Estimate

This is a vintage carnival glass tumbler, likely manufactured by the Fenton Art Glass Company, featuring the classic 'Grape and Cable' pattern. The piece is crafted from pressed glass with a deep indigo or cobalt blue base color, finished with a striking iridescent shimmer. This iridescence, known as 'carnival' finish, displays a spectrum of metallic hues including turquoise, gold, violet, and green when caught by the light. The exterior decoration consists of a high-relief embossed design depicting clusters of grapes hanging from textured vines with large, detailed serrated leaves. The tumbler stands approximately 4 to 5 inches tall with a slightly tapered cylindrical form and a smooth, polished rim. Based on visual inspection, the glass appears to be in very good condition with no apparent chips, cracks, or deep scratches visible on the primary decorative surface. The iridescence remains vibrant and consistent, which is a key indicator of quality for this style of glass. While many versions of this pattern were produced by Northwood, the specific color and molding characteristics are consistent with Fenton reproductions or mid-20th-century revivals. The craftsmanship shows careful attention to the mold detail, particularly in the individual grape spheres and leaf veining. This style of glass originated in the early 20th century (1900-1920s), though popular patterns were frequently reissued in the 1960s and 70s as collectables.

Based on a visual examination of the provided images, this piece is a Fenton Indigo Blue Carnival Glass Tumbler in the popular 'Grape and Cable' pattern. The tumbler features a deep cobalt or indigo base with a striking iridescent 'carnival' finish, displaying vibrant metallic hues such as turquoise, gold, and violet. The relief molding of grapes, vines, and leaves appears crisp and detailed. The condition of the glass appears very good from the images, with no obvious chips, cracks, or significant wear to the iridescent surface, which is crucial for retaining value in carnival glass. While the 'Grape and Cable' pattern was famously produced by Northwood in the early 1900s, the color and specific molding characteristics here are indicative of a Fenton piece. Fenton produced a substantial amount of carnival glass, both historically and as revivals in the mid-to-late 20th century. The strong color and vibrant iridescence suggest this may be a mid-century revival piece, which are highly collectible but generally carry a lower premium than antique early 20th-century originals. The market for vintage carnival glass remains steady, especially for vibrant blue/indigo hues, though tumblers are relatively common compared to larger bowls or pitchers. Demand is driven primarily by collectors seeking specific colors and patterns to complete sets. Please note that this appraisal is based strictly on visual inspection of images. Without physical examination, I cannot conclusively verify the exact age, presence of a maker's mark (often found on the base), or detect microscopic flea bites or hairline cracks that might affect value. An in-person inspection of the base and a tactile assessment of the weight and mold seams would be necessary to definitively confirm age and full condition.