Stamps remain a quiet but high-value collecting category. Here are the records.
1. British Guiana One-Cent Magenta (1856)
The single most valuable stamp ever sold. The unique surviving example sold at Sotheby’s for $9.48 million in 2014, then resold to Stanley Gibbons for $8.3 million in 2021.
2. Sweden Treskilling Yellow (1855 Color Error)
The famous color-error issue (yellow instead of green) of the Swedish 3-skilling banco. Sold at David Feldman in 1996 for $2.3 million; currently estimated $3-5 million.
3. Mauritius “Post Office” 2 Pence Blue (1847)
Britain’s first colonial stamps from Mauritius. Mint examples reach $1.5-2.5 million.
4. Inverted Jenny (1918 US 24-Cent Air Mail)
Famous inverted-aircraft error. The “Plate Block of Four” sold for $4.86 million in 2023. Single mint examples reach $1.5-2 million.
5. China Red Revenue Small One-Dollar Surcharge
1897 Chinese surcharge issue. Top examples reach $700,000-$1.5 million.
6. Hawaiian Missionaries (1851)
The earliest Hawaiian stamps. Sound 2-cent missionaries reach $400,000-$1 million; the famous “Dawson Cover” sold for $2.18 million.
7. United States Postmaster Provisionals (1845-1847)
Pre-federal local issues from cities like New York and Providence. Top examples reach $200,000-$1.5 million.
8. Penny Black First Day Cover (May 1, 1840)
The world’s first adhesive postage stamp on May 1, 1840 first-day covers. Top examples reach $200,000-$500,000.
9. India Half Anna Inverted Head (1854)
Indian Empire color error. Top examples reach $300,000-$600,000.
10. Cape of Good Hope Triangular Errors
The wood-block printed triangular Cape stamps with color errors. Top examples reach $300,000-$700,000.
Authentication and grading
PSE (Professional Stamp Experts) and PF (Philatelic Foundation) dominate US grading. RPSL (Royal Philatelic Society London) and BPA (British Philatelic Association) handle European/Commonwealth. Always buy expertised examples for any stamp over $1,000. Edge integrity, gum condition, and centering define grade.
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