Colecciones y venta
Dónde comprar sellos para una colección sin pagar de más
Actualizado el · 6 min de lectura · Por el equipo de StampGo
Respuesta rápida
Compra el material barato en forma de mezclas y lotes a comerciantes, sociedades y portales de venta, y los sellos sueltos mejores a comerciantes establecidos o en casas de subastas, donde puedas comprobar el estado y devolver la pieza. Por encima de unos cientos de euros, compra solo sellos con certificado de peritaje.
Datos clave
- Material más barato
- Mezclas y kiloware vendidos por peso, y circulaciones de sociedades
- Mejor para sellos sueltos
- Comerciantes establecidos y casas de subastas especializadas
- Mejor para rebuscar
- Exposiciones y mercadillos filatélicos, donde puedes examinar los sellos en persona
- Comprobación de precios
- Precios de venta recientes, no precios pedidos ni valor de catálogo
- Por encima de unos cientos de euros
- Compra solo sellos certificados
- Evita
- Lotes «de inversión», recuerdos con lámina dorada y lotes descritos como raros
Where can I buy stamps for a collection?
From stamp dealers, auction houses, stamp shows, online marketplaces, club circuit books and postal administrations. Which one suits you depends on whether you're filling gaps or buying in bulk.
| Source | Best for | Watch out for |
|---|---|---|
| Stamp dealer (shop or online) | Specific stamps, advice, reliable descriptions | Retail prices, though usually fair for the grade |
| Auction house | Better single stamps, rarities, whole collections | Buyer's premium on top of the hammer price |
| Stamp show or bourse | Examining stamps in person and comparing dealers | Impulse buying. Take a want list |
| Online marketplace | Choice and price, especially common material | Photos that hide faults, and optimistic descriptions |
| Club circuit books | Cheap stamps from other members | Needs club membership, and stock varies |
| Postal administrations | New issues at face value | New issues rarely rise above face value |
Societies such as the American Philatelic Society publish dealer directories whose members sign up to a code of ethics, which is a sensible place to start.
How do I avoid overpaying for stamps?
Price from recent sold results rather than catalogue value or asking prices, and buy the best condition you can afford instead of several weak copies.
- Catalogue value is a reference, not a price. Common stamps routinely sell for a fraction of it. See what are my stamps worth?
- Grade before you bid. Centering, gum and faults move price more than the catalogue number does.
- One good stamp beats three poor ones. Weak copies are hard to resell at any price.
- Watch the extras. Buyer's premium, postage, insurance and customs can add a lot to a cheap lot.
How do I avoid fakes, repairs and reprints?
Buy from sellers who accept returns, insist on a certificate for expensive stamps, and learn the common tricks: reperforated edges, regummed backs, faked overprints and added cancels.
Any stamp valuable enough to fake has been faked. Certificates from services such as APEX, the Philatelic Foundation and BPA Expertising exist precisely so buyers don't have to take a seller's word. For a stamp costing hundreds of dollars or more, a certificate isn't optional. See how to tell if a stamp is rare.
What should a beginner buy first?
Buy material, not rarities: a mixture or two, a stockbook, and maybe a cheap country packet. Spend on single stamps only once you can identify and grade them yourself.
Kiloware, stamps still on paper sold by weight, is the classic starting purchase. It's cheap, it teaches you soaking and sorting, and it throws up surprises. See how to start a stamp collection and how to remove stamps from envelopes.
How do I buy stamps online safely?
Check the seller's feedback and returns policy, insist on clear photos of the front and back, read the condition description closely, and pay in a way that gives you buyer protection.
- Ask for a scan of the back if it isn't shown. Thins, repairs and regumming hide there.
- Read the description for the words that matter: faults, thin, crease, reperforated, regummed, “as is”.
- Look for a returns window, and inspect the stamp the day it arrives.
- For expensive stamps, ask whether it's certified, and by whom.
- Factor in shipping, insurance and any import charges before you decide it's cheap.
What should I expect to pay for common stamps?
Common used stamps cost a few cents each in mixtures and packets, and better single stamps are priced from catalogue value with a discount that depends on condition and demand. The gap between those two worlds is where beginners get caught.
| What you're buying | What it usually costs |
|---|---|
| Mixtures and kiloware by weight | A fraction of a cent per stamp |
| Packets of sorted, different stamps | A few cents per stamp |
| Common album-filler singles | Cents each, often sold in bulk lots |
| Better singles in collectable condition | A discount to catalogue value, varying with demand |
| Scarce, certified stamps | Auction prices, where condition sets the range |
The practical rule: never pay single-stamp prices for material that turns up in every mixture, and don't expect mixture prices for stamps that dealers actually have to find. When in doubt, check recent sold prices before you buy. See what are my stamps worth?
Paso a paso
How to check a stamp before you buy it with StampGo
Scanning a listing photo is a fast sanity check: it tells you what the stamp actually is and the range it normally trades in, before you bid.
- 1
Scan the seller's photo
Save the listing image and open it with Gallery in the scanner, instead of the camera.
- 2
Compare the reference price
Compare the issue and the reference price range with the asking price. A big gap is a question, not a bargain.
- 3
Log what you buy
Add the stamp to your collection with what you paid, so your inventory and your spending stay visible.
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Preguntas frecuentes
¿Sale más barato comprar sellos por lotes?
Por sello, sí, mucho más barato. Los lotes y las mezclas son como la mayoría de los coleccionistas acumulan material. La contrapartida es que hay que clasificar mucho material común para quedarse con unos pocos.
¿Son los sellos una buena inversión?
Tómatelos como una afición. La mayoría de los sellos no se revalorizan, los comerciantes compran por debajo del precio al público, y los que suben son escasos, certificados y caros desde el principio.
¿Qué es el kiloware?
Sellos todavía sobre recortes de sobre, vendidos por peso. Es la forma más barata de conseguir mucho material, y gusta a los coleccionistas temáticos y a los principiantes.
¿Conviene comprar sellos por internet?
Está bien para material común, si compruebas fotos, valoraciones y condiciones de devolución. Para sellos caros, mejor comerciantes establecidos o casas de subastas, y exige certificado.
¿Es seguro para un principiante comprar en subasta?
Sí, en lotes modestos, siempre que leas antes las condiciones. Comprueba la comisión del comprador, la descripción exacta del estado y si los lotes pueden verse o devolverse. Fija tu límite antes de pujar y respétalo.
