Most inherited stamp collections are worth far less than the family expects, often roughly $20 to $200 for a full album of common used stamps. Stamp collecting was hugely popular from the 1930s to the 1970s, and the stamps people saved were the stamps everyone else saved too. The exceptions are real, though: 19th century issues, mint stamps with original gum, well-known rarities, errors and interesting covers can lift a collection into the hundreds or thousands. Sorting the album with that list in mind is the first job.
The other surprise is catalog value. Albums often come with notes showing what the stamps "catalog" for, and that number can be ten or twenty times what a dealer will actually pay. Catalog value is a retail reference, not a sale price.
None of this means the collection is junk. It means the value usually sits in a small part of it, and the rest is best sold as a lot to someone who enjoys sorting.
Why most collections are worth little
Three things work against the typical album.
Supply. Millions of people collected stamps in the mid 20th century, and they bought the same new issues from the post office, the same packets of world stamps and the same albums. That material survives in enormous quantities.
Demand. The number of active collectors has fallen. There are more albums for sale than there are buyers looking for common stamps.
Condition and type. Most stamps in family albums are used, many are hinged, and plenty have thins, creases or heavy cancels. Used common stamps are worth a few cents each, sometimes less.
What dealers actually pay
These are approximate ranges for what a dealer or auction realistically pays, not retail prices:
| Material | Typical sale value |
|---|---|
| Album of common used world stamps | $20-150 |
| Common used stamps, loose or on paper | A few cents each, or by the pound |
| Mint US postage from the 1940s on | 60-80 percent of face value |
| US first day covers, common modern | 10-50 cents each |
| US plate blocks, modern | Near or below face value |
| US 1893 Columbians, low values, used | $5-30 each |
| US 1893 Columbians, $1 to $5 values | Hundreds and up |
| Penny Black (1840), used | $60-400, depending on margins |
| US Scott 1 (1847 Franklin), used | Several hundred dollars and up |
| 1930 Graf Zeppelin airmails (C13-C15) | Hundreds each, more for a mint set |
| China 1980 Year of the Monkey, mint | $1,000-2,000 |
| Cancelled-to-order Eastern Bloc stamps | Almost nothing |
Unused modern US stamps are a common surprise. They are worth less than face value to dealers, because there is so much of it. The best use for them is often simply mailing letters.
Catalog value versus real value
Catalogs give each stamp a number and a price. The main ones are Scott for the US and the world, Stanley Gibbons for Britain and the Commonwealth, Michel for Germany and Europe, Facit for the Nordic countries and Yvert et Tellier for France.
Catalog values are useful for telling a cheap stamp from an expensive one. They are not what a seller receives. Scott sets a minimum value of around 25 cents for even the most common stamp, which reflects a dealer's cost of handling it, not its worth. Common collections typically sell for 5 to 20 percent of catalog. Better single stamps in fine condition can reach 30 to 50 percent or more.
If the album has a handwritten total like "catalog $3,000", read that as a rough indicator. It usually means a few hundred dollars, sometimes much less.
How to spot the exceptions
Go through the album with a magnifier and look for the following.
19th century stamps
Stamps from before 1900 are not automatically valuable, but this is where the better material is. Classic issues of the US, Britain, Germany, Scandinavia and the British colonies can be worth from a few dollars to hundreds each. Condition matters enormously: wide, even margins, a light cancel and no thins.
The Penny Black is the famous one. Used examples are not rare, but those with four clear margins sell for much more than cut-into copies.
Mint stamps with original gum
Turn mint stamps over. Never hinged (MNH) stamps have smooth, undisturbed gum on the back. Hinged stamps show a small mark or remnant where a paper hinge was attached. For older mint stamps, original gum adds a large premium over stamps with no gum or with gum added later.
Do not try to remove hinges, soak stamps or flatten anything. Leave the material as it is.
Errors and famous rarities
Inverted centers, missing colors and imperforate errors are among the most valuable stamps in the world. The 1918 Inverted Jenny is worth over $1 million, but nearly every one found in a family album is a reproduction. The same goes for most Zeppelin stamps, Hawaii Missionaries and early Chinese rarities. They are worth checking, but expect a copy.
An imperforate stamp with narrow margins is often just a normal stamp with its perforations trimmed off. That makes it worth less, not more.
Covers
A cover is a whole envelope with its stamps and postmarks. Covers can be worth much more than the stamps on them: early dates, unusual routes, censor marks from wartime, ship mail, first flights and Zeppelin flights. Keep stamps on their covers. Never soak a stamp off an envelope before the whole cover has been looked at.
Modern first day covers are the exception. They were made in the millions and most are worth under a dollar.
Varieties that need an expert
Watermarks, perforation gauges, paper types and color shades separate cheap stamps from expensive ones in many classic series. These cannot be judged reliably from a phone photo. A stamp that might be a valuable variety needs an expert with the stamp in hand.
What to photograph
- Each album page flat, in even daylight, with no glare from plastic mounts
- The back of mint stamps, to show gum, hinges and thins
- Close-ups of the oldest stamps, straight on, so centering and margins show
- Cancels where the town or date might matter
- Both sides of every cover, including the back flap
- Any stamp that looks like a known rarity, next to a ruler
With good photos, the common pages can be sorted out quickly and the attention goes where the value is.
Next steps for the better material
For a collection with real potential, a reputable stamp dealer or a stamp auction house is the normal route. The American Philatelic Society (APS) lists member dealers who follow a code of ethics, and it offers expertizing for single stamps that might be valuable. Professional Stamp Experts (PSE) and the Philatelic Foundation do the same. Expert opinion costs money, so save it for stamps likely worth $100 or more.
Get more than one offer for a whole collection. Dealers buy lots at a fraction of retail because they have to sort and resell them, and offers can differ widely.
If the stamps came with coins or other keepsakes, the inherited coins guide and the guide to finding out what something is are good next reads.