AI identification & appraisal estimate

Robert Milikan Commemorative Stamp

Philately / Stamps AI-generated identification & appraisal · may be incorrect · not an official valuation→

Photo submitted by the user — not generated by AI

AI Estimated Value

Not an official valuation

$1.50 - $3.00

AI estimate as of March 19, 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.

Read the full disclaimer

AI Item Analysis

A 37 cent commemorative postage stamp featuring an illustration of Robert Milikan, an American experimental physicist known for his oil drop experiment, which measured the charge of the electron. The stamp shows Milikan in a bow tie, with the text 'Robert Milikan' and 'USA'.

AI Appraisal Report

This stamp is a part of the American Philatelic Society's commemorative issues. While not exceedingly rare, it holds interest for collectors of physics and notable American scientists. Its value is primarily derived from its historical significance and condition. A used example, as shown, typically values in the range of $1.50 to $3.00.