AI Appraisal Estimate

AI-generated estimates · not official valuations

From the user

What was submitted

Photo and notes provided by the user — not generated by AI

Submitted item photo
Submitted photo · June 23, 2026

User's notes

Stamp

AI analysis below

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.

Note

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

Read the full disclaimer

AI Identification

·Not independently authenticated·Verify before acting

Jose de San Martin Postage Stamp, Argentina

Postage Stamp

AI Estimated Value

·Not an official valuation·Verify before acting

$0.50 - $2.00

As of June 23, 2026

AI Item Analysis

·AI can make mistakes·Verify before acting
This item is an Argentine postage stamp, featuring a portrait of General Jose de San Martin, a pivotal figure in South American independence. The stamp is predominantly red with a clear white border, indicating it was likely printed on white paper. The central image, rendered in white silhouette, depicts San Martin in military uniform, complete with epaulets and a detailed collar. Above the portrait, 'REPUBLICA ARGENTINA' is printed in white capital letters. Below the portrait, though partially obscured by a cancellation mark, the name 'JOSE DE SAN MARTIN' is visible. The stamp exhibits classic perforations along all four edges, designed for easy separation from a sheet. A prominent black cancellation mark, with what appears to be a numerical or symbolic design (possibly a '3'), is stamped over the lower-left section of the portrait and extending downwards, indicating the stamp has been used. The paper appears slightly aged, and the vibrant red color suggests good preservation, despite the cancellation. The overall design is formal and commemorative in style, typical of government-issued postage stamps honoring national heroes. The craftsmanship appears standard for mass-produced postage stamps of possibly mid-20th century vintage, characterized by clear printing and accurate perforations. There are no obvious tears or significant creases beyond the cancellation mark. The presence of the cancellation mark indicates it is a 'used' stamp, which can impact its collector's value.

AI Appraisal Report

·AI can make mistakes·Verify before acting
I have examined the provided image of the Jose de San Martin postage stamp from Argentina. The stamp exhibits classic perforations, a red color, and a white silhouette of San Martin with 'REPUBLICA ARGENTINA' above and 'JOSE DE SAN MARTIN' below, though partially obscured. A prominent black cancellation mark indicates it is a used stamp. The paper appears slightly aged, and the colors seem well-preserved. Based on the visual evidence, the stamp appears authentic as a genuine issue, typical of mid-20th century Argentine philately. However, without a physical inspection, I cannot definitively confirm paper quality, watermarks, or exact printing method, which are crucial for absolute authentication. From a market perspective, this stamp likely falls into a common category. Jose de San Martin is a widely commemorated figure, and many stamps featuring him were issued. The cancellation mark, while indicating use, generally decreases value compared to an uncancelled (mint) equivalent, unless it's a rare or historically significant cancel. Demand for such common used stamps is typically low to moderate among general collectors, with high-end collectors usually seeking mint condition, rare varieties, or historically significant postal history. Factors significantly impacting its value include its used condition and the likelihood of high print runs for such a national hero. Rarity is low due to common issuance. For a more precise valuation and full authentication, a physical examination would be necessary to assess gum condition (if mint), paper variations, printing errors, and watermark presence. Provenance documentation, though less critical for common stamps, could add certainty if available.

Get your items appraised

Instant estimates of your treasures with AI-powered appraisals

Browse More Appraisals