AI identification & appraisal estimate

Golden Gate International Exposition Postage Stamp (1939)

Submitted photo of Golden Gate International Exposition Postage Stamp (1939)
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$0.50 - $2.00

AI estimate as of November 8, 2025 · 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.

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AI Item Analysis

This item is a United States postage stamp commemorating the Golden Gate International Exposition. The stamp features a central illustration of a tall, spired architectural structure, likely representing the Tower of the Sun or another prominent building from the exposition, surrounded by other exposition grounds elements and foliage. The dominant color of the stamp is a deep purple or violet hue, with the design elements rendered in a lighter shade, creating a monochromatic effect. The stamp is rectangular with perforations around all four edges, indicating it was designed to be easily separated from a sheet. Along the left vertical edge, the words "UNITED STATES POSTAGE" are printed. The top edge reads "GOLDEN GATE," flanked by small stars, and the right vertical edge states "INTERNATIONAL EXPOSITION." At the bottom of the central design, the denomination "3 CENTS" is clearly visible, with the numbers "19" and "39" in separate small boxes on the left and right, respectively, signifying the year 1939. The stamp appears to be in good overall condition, with no immediately visible major tears, creases, or significant discoloration. Its edges are crisp, and the perforations are intact. The image suggests it is affixed to an album page or similar display, implying it may have been handled but is still well-preserved. This stamp belongs to the early 20th-century philatelic period, reflecting the design trends and commemorative themes popular during that era.

AI Appraisal Report

Based on my visual examination of the provided image, this is a United States 3-cent Golden Gate International Exposition commemorative stamp (Scott #852), issued in 1939. The stamp appears to be in sound condition, with clear perforations and no readily apparent major tears, creases, or significant discoloration. Its centering appears reasonable, and the purple hue is consistent with known examples. This stamp is a common issue from the 1930s. Market conditions for this particular stamp are stable but generally low. Comparables for average used copies typically range from $0.25 to $1.00, while unused examples in good condition might fetch $1.00 to $2.00. Factors impacting value significantly include gum condition (for unused), precise centering, and cancellation quality (for used). Demand for this specific stamp is moderate among general collectors, but it is not considered rare. My valuation of $0.50 - $2.00 reflects these factors. This range accounts for the possibility of it being a well-preserved used copy or an unused example without significant flaws. It is important to note that this assessment is solely based on the image. For full authentication and a more precise valuation, an in-person examination would be critical to verify gum condition, check for hidden flaws, confirm paper type, and perform UV light testing for potential repairs or alterations that are not visible in the provided image. Provenance documentation, though less common for such a widely issued stamp, could also add to its overall historical context but would unlikely significantly alter its monetary value.

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