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The honest news first: the vast majority of stamp collections are worth far less than owners hope — common 20th-century stamps were printed in the billions. Value hides in specific places: pre-1920 stamps, printing errors, unused stamps with original gum, and complete sheets or covers with rare postmarks.
Pre-1900 classics (early national issues) carry real value. Most stamps after 1930 are common regardless of age or how exotic the country looks.
Unused ('mint') stamps with intact original gum are worth multiples of used copies. A hinge mark on the back cuts value significantly.
Inverted centers, missing colors, imperforate pairs — printing errors are where five- and six-figure stamps live.
Centering, intact perforations, no thins or creases. Grading is merciless: a torn corner turns a rarity into a spacefiller.
Broad secondhand-market ranges to orient you — the exact value of your item depends on the precise model, edition and condition. Scan it for the real number.
Point your camera at the item. FlipTip identifies the exact model, edition and era, checks real listings on your country's marketplaces, and gives you a price range, a sell-speed score and a worth-it-or-skip verdict — before you buy or sell.
Check for pre-1920 material, stamps with original gum, and anything that looks like a printing error. Albums full of colorful post-1950 stamps from many countries are usually decorative value only. Scan standout pages and let FlipTip flag which items are worth researching deeper.
Sometimes much more. 'Covers' with rare postmarks, first flights, or historical routes can outvalue the stamp alone. Never soak a stamp off an old envelope before checking.
Print volume. Famous designs were printed in billions and saved by everyone. Rarity comes from specific varieties — paper type, watermark, perforation count — not the picture.
Thrift store, garage sale, flea market or your own attic — scan the item and know in seconds if it's a find or a pass.
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