AI identification & appraisal estimate

Mid-Century Modern Studio Pottery Tapered Cone Vase by Howard Glasser

Submitted photo of Mid-Century Modern Studio Pottery Tapered Cone Vase by Howard Glasser
Photo submitted by the user — not generated by AI

User's notes

marked on bottom H.G.

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$450 - $650

AI estimate as of May 12, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

Everything on this page is generated by AI for informational purposes only. AI can make mistakes — the AI may misidentify items or misattribute them (artist, maker, brand, designer, origin, era). This is not an official valuation and should not be used for insurance, sale, tax, estate, legal, or lending purposes — or any decision requiring a certified appraisal. It is not an authoritative claim about any person, brand, or rights holder — do not share or rely on it as a factual statement about a third party. Always consult qualified professionals before making financial decisions.

This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

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AI Item Analysis

This is a tall, slender studio pottery vase featuring an elongated conical or 'tapered obelisk' shape. The piece is hand-crafted from a dark stoneware or ceramic body, terminating in a small circular opening at the apex. The glazing technique is sophisticated, utilizing a multi-tonal drip and pour method characteristic of mid-century studio work. The top section is finished in a vibrant moss green with a visible fine-line craquelure texture. This green glaze bleeds into a middle register composed of earthy tans, creams, and chocolate browns that create a naturalistic, marbled effect. The base is finished in a deep, solid manganese-brown glaze. Per the provided context, the bottom is marked 'H.G.', which is the characteristic signature for American master potter Howard Glasser (active mid-to-late 20th century). The craftsmanship is of high quality, showing excellent control over the vertical glaze flow on a challenging, steep-sided form. The condition appears to be excellent with no visible chips or cracks. The style is quintessentially Mid-Century Modern with an emphasis on organic textures and verticality.

AI Appraisal Report

I have conducted a thorough visual examination of this Mid-Century Modern tapered cone vase. The piece exhibits the technical hallmarks of Howard Glasser's studio practice, specifically the controlled verticality and the sophisticated interplay between the craquelure moss-green glaze and the darker manganese-brown base. The 'H.G.' mark is consistent with known examples of Glasser's signature from his period of peak production. The condition appears to be excellent, with no evidence of structural fatigue, chips, or glaze abrasions, which significantly preserves its market value. The market for American studio ceramics remains robust, particularly for functional forms that double as sculptural obelisks. Current auction and gallery comparables for Glasser's vertical forms fall within the mid-hundred range, with premiums paid for pieces showing this specific multi-tonal drip gradation. While the visual indicators of the glaze application and the idiosyncratic potter's mark strongly suggest authenticity, this appraisal is based on photographic evidence alone. Definitive authentication would require a tactile inspection to verify the stoneware’s weight and clay body composition, as well as an examination of the foot rim for characteristic firing marks. Provenance records, such as original gallery receipts or exhibition catalogs from the 1960s-70s, would further stabilize the valuation at the higher end of the estimated range. In person, I would also check for professional restorations that may be invisible under standard lighting.

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