AI Appraisal Estimate

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Submitted photo · June 25, 2026

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AI appraisal

AI analysis & estimate

AI-Generated · Verify before acting

Everything below 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 Identification

·Not independently authenticated·Verify before acting

100 Mark Danzig Stamp

Postage Stamp

AI Estimated Value

·Not an official valuation·Verify before acting

$25 - $40

As of June 25, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is a vintage postage stamp from Danzig, denominated at 100 Mark. The stamp features a central coat of arms, supported by two rampant lions, facing inwards towards the shield. The shield itself is crowned and displays a cross-like emblem, likely representing the historical iconography of Danzig. The denomination '100 Mark' is prominently displayed at the top center, with 'Mark' also appearing in smaller text on either side. Below the central motif, the words 'FREIE STADT' (Free City) are visible, and underneath that, 'DANZIG' is written in a decorative, script-like font. The background appears to be a dark, solid color, possibly deep green or black, contrasting with the lighter, possibly white or off-white, color used for the design elements. The stamp is perforated along all four edges, indicating it was part of a larger sheet. The visible condition suggests some aging, with slight discoloration or foxing evident on the lighter areas and around the perforations. There might be minor wear consistent with its age, but no significant tears or creases are immediately apparent. The craftsmanship appears to be of the standard quality for governmental philatelic issues of its era. This stamp likely dates from the period when Danzig existed as a Free City, typically between World War I and World War II.

AI Appraisal Report

·AI can make mistakes·Verify before acting
Upon visual examination of the provided image, I assess this 100 Mark Danzig postage stamp. The item appears authentic from the design elements—the Danzig coat of arms, 'FREIE STADT DANZIG' inscriptions, and '100 Mark' denomination—all consistent with known issues from the Free City period (1920-1939). The perforations seem regular, typical of these productions. Its condition shows signs of aging, with what appears to be minor discoloration or foxing, particularly on lighter areas and around the perforations. While no significant tears or creases are immediately evident, the clarity of the image is insufficient to confirm perfect gum condition or hinge remnants which significantly impact value. In terms of market conditions, stamps from Danzig are generally collectible, but common denominations like the 100 Mark are not exceedingly rare unless in pristine, uncirculated condition or with unique cancellations/varieties. Comparables for used examples in average condition typically range from a few dollars to tens of dollars. Demand for common used Danzig stamps is moderate. Factors impacting value here include the apparent light discoloration, which lowers its grade from 'Very Fine' to 'Fine-Very Fine' or even 'Fine,' depending on how severe the foxing is upon physical inspection. It is crucial to state that this appraisal has significant limitations based on an image alone. Definitive authenticity verification would require in-person examination to check for watermarks, paper quality, printing methods, and any potential repairs or alterations. The actual condition of the gum, the presence of thinning, creases not visible in the image, or hidden faults can only be determined through physical inspection. Provenance documentation, though less common for individual stamps, could also add to its verifiable history and value. Scientific testing, such as spectrography for ink analysis, is typically reserved for genuinely high-value rarities or suspected forgeries, which this item, based on its commonality, is unlikely to warrant unless specific anomalies are detected.

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