AI identification & appraisal estimate

US Postage International Civil Aeronautics Conference 5-Cent Stamp (not authenticated)

Submitted photo of US Postage International Civil Aeronautics Conference 5-Cent Stamp (not authenticated)
Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$10-$30

AI estimate as of November 4, 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.

Read the full disclaimer

AI Item Analysis

This physical item is a blue postage stamp presented within a printed collector album or page, set against a dark background mounting corner. The stamp features a horizontal rectangular format with perforated edges on all four sides. The central design depicts a monoplane flying in front of a globe, flanked on the left by the Washington Monument and on the right by the United States Capitol building. The color palette consists of various shades of blue ink on off-white or lightly toned paper. Notable text printed directly on the stamp includes 'U.S. POSTAGE' arched across the top, 'INTERNATIONAL CIVIL AERONAUTICS CONFERENCE' in the upper middle section, 'DECEMBER 12,13,14,1928.' above the bottom center, the word 'CENTS' flanked by decorative scrollwork, and large numerals '5' in ornamented boxes at the lower left and lower right corners. Above the stamp frame, printed text on the page reads 'NFERENCE SERIES', and below the frame, text reads 'Globe and Plane', with additional descriptive text visible near the upper left corner. Visible condition issues include slight toning or age discoloration to the paper and minor irregularities along the perforation edges, consistent with vintage paper ephemera. The identification of this piece rests upon the clear, legible printed text and iconography matching the historical 1928 United States postage stamp issue, though the item itself remains unauthenticated and has not been physically inspected for paper type, watermark, or gum condition. The style is consistent with commemorative postage issues from the late 1920s.

AI Appraisal Report

Based on what I can see in the provided image, the item is presented as a US Postage International Civil Aeronautics Conference 5-Cent Stamp set within a printed collector page. The visual elements—including the monoplane, globe, Washington Monument, and Capitol building—closely match the historical design of the 1928 issue. I can observe standard horizontal rectangular formatting, blue ink, and text consistent with the commemorative issue, alongside minor paper toning and perforation irregularities typical of vintage ephemera. However, I cannot verify from a photo alone the paper type, watermark presence, gum condition, or whether the stamp is a genuine postal issue rather than a modern reproduction, reprint, or album cut. The estimated value range of $10 to $30 assumes the hypothetical identification is correct for a typical, uncertified copy in this condition. If physical inspection reveals the item to be a reproduction, replica, or modern reprint, the value would drop significantly to a nominal amount under $5 as a decorative piece. Market demand for classic US commemorative stamps remains steady among thematic collectors, but uncertified examples generally command lower prices compared to professionally graded and certified specimens. To establish the true nature and value of this piece, an in-person physical examination by a professional philatelist is required, potentially involving expert evaluation of the paper stock and printing characteristics.

Keep exploring

More stamps appraisals

Get your items appraised

Instant AI-powered appraisal estimates from a photo

Browse More Appraisals