general | April 21, 2026

How much are AB stamps?

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Post Office/Retail RatesStamps.com Rates
Letters2021 Postage Rates2020 Postage Rates*
First-Class Mail letter (1 oz.)$0.55$0.50
First-Class Mail letter – each additional ounce$0.20$0.15
First-Class Mail Flat/Large Envelope (1 oz.)$1.00$1.00

Which US stamps are valuable?

The 10 Most Valuable U.S. Stamps

  1. The Inverted Jenny. (Courtesy of Siegel Auction Gallery)
  2. 1847 Issue Block of 16 of Ben Franklin.
  3. Almanac Stamp of 1765 or 1766.
  4. ‘Blue Boy’ Alexandria Postmaster’s Provisional.
  5. 1869 Pictorials—Inverted Center Errors.
  6. Two-Cent Blue Hawaiian Missionary.
  7. 1860 Stolen Pony Cover.
  8. Pan American Inverts.

How do you find out what stamps are worth?

How to Determine Stamp Values

  1. Identify the stamp.
  2. Find out when was the stamp issued.
  3. Know the stamp’s age and material used.
  4. Determine the centering of the design.
  5. Check the stamp’s gum.
  6. Determine the condition of the perforations.
  7. See if the stamp has been cancelled or not.
  8. Find out the rarity of the stamp.

How much is a USA G postage stamp worth?

STAMPVALUEDATE of rate change
G32 cents1/1/95
… G makeup rate3 cents
H33 cents1/10/99
… H makeup rate1 cent

What is the most valuable George Washington stamp?

USA 1867 3¢ George Washington B-grill Rose – $900,000 (£768k) This exceedingly rare version of the 1867 3¢ George Washington stamp in rose is one of America’s most sought-after philatelic treasures. The last example to come up at auction sold for a staggering $900,000 (£768k).