FreeStamp grading explained: Superb to Poor
Centering, perfs, gum … read the condition language behind every price.
Learn the craft
Read the room before you buy.
Grading, rarity, key issues, watermarks, care — collector know-how, free to read inside the app and right here.
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FreeFive signs your stamp is worth real money
Rarity, errors, condition — the five things that set a stamp's price.
FreeHow to identify a stamp's country and issue
Scripts, currency, designs — how to read where a stamp comes from.
FreePerforations and watermarks: the two clues that decide value
A perf gauge and a tray of fluid separate a common stamp from a rare one.
FreeErrors and varieties: why a mistake can be priceless
Inverts, missing colors, double prints — the flaws collectors chase.
FreeUsed or mint: which is worth more?
Gum, hinges, postmarks — when a cancel adds value and when it cuts it.
FreeHow to spot a fake or forged stamp
Reperfs, regum, faked cancels — the red flags before you pay.
FreeStore and care for stamps so they never deteriorate
Hinges, mounts, humidity, light — five habits that keep stamps pristine.