Is the Penny Black the most valuable GB stamp?

No. The Penny Black is the most famous, but it is iconic rather than rare, and scarcer items such as the Penny Red Plate 77 and the VR Official Penny Black can be worth far more.

What makes a GB stamp valuable?

Genuine scarcity and collector demand, together with condition. Fame alone is not enough, and a common stamp is not valuable simply because it is well known or old.

Are old British stamps valuable?

Most are common and worth little, while a few are genuinely valuable. Age does not decide it; scarcity, demand and condition do. It is always worth having a collection checked.

How do I know if I have a valuable GB stamp?

Have it valued honestly, and have any potential rarity expertly examined and certified. You are welcome to send us photographs for a free assessment.

Value guide

The Most Valuable GB Stamps

The most valuable Great Britain stamps include genuine rarities such as the Penny Red Plate 77, of which only a handful survive, and iconic high-value classics such as the 1882 £5 Orange and the 1929 Postal Union Congress £1. Famous errors, such as missing-colour commemoratives, can also be highly valuable. In every case condition is decisive: a celebrated stamp is only worth a great deal in fine condition, and common versions can be modest.

Genuine rarities and iconic classics

Condition decides

Famous is not always rare

Rarities and classics

Condition decides

At a glance

Greatest rarityPenny Red Plate 77

Iconic high values£5 Orange (1882), PUC £1 (1929)

The first stampsPenny Black and Twopenny Blue (1840)

Also valuableFamous errors and varieties

Decisive factorCondition, always

Worth rememberingFamous does not always mean rare

Rare versus iconic

Before the list, one distinction matters, because "most valuable" covers two different things. Some stamps are genuine rarities, of which very few exist. Others are iconic and valuable in fine condition, but not actually rare, having been printed in numbers. The Penny Black is the classic example of the second kind.

Running through both is condition. A famous stamp in poor, faulty or repaired condition can be worth a fraction of a fine one, while an exceptional example can far exceed its catalogue figure. So treat what follows as a guide to the great Great Britain stamps, with an honest word on each. Our guides to rarity and demand and condition and value explain why.

The great GB rarities and classics

1Penny Red Plate 771863Ordered destroyed as faulty, yet a few examples escaped into use. One of the most valuable and famous of all British stamps, with sales of around £500,000. See our Penny Red value guide.

2The Penny Black1840The world's first postage stamp. Iconic rather than rare, but fine, unused, scarce-plate and cover examples are genuinely valuable, the best running well into four figures and beyond. See our Penny Black value guide.

3The Twopenny Blue1840Issued just days after the Penny Black and printed in smaller numbers, the world's second stamp is scarcer and sought-after, with fair examples around £80 to £150.

4The VR Official Penny Black1840Prepared for official use, with VR in the upper corners in place of the usual stars, but never issued for general postal use. Very few are known used, making it a true rarity, from around £2,000 upwards.

5The £5 Orange1882The showpiece of the Victorian surface-printed high values, and one of the most striking of all British stamps. Fine examples typically run from around £5,000 to £15,000 and up.

6The Victorian £1 valuesVictoriaThe high-value £1 stamps of Queen Victoria, in their various printings, are scarce and keenly collected, from around £80 for an average example to many thousands for the scarcer issues.

7The King George V Seahorses, high values1913The large, handsome high-value designs, the £1 green in particular, are admired and valuable. Good examples run from a few pounds for the lower values to around £800 and upwards for the £1.

8The Postal Union Congress £11929The famous black £1, issued for the 1929 congress, is one of the most desirable of all twentieth-century British stamps, around £250 for an average example and £500 to £800 for a fine one, mint.

9Famous errors and varietiesVariousCertain modern errors, such as missing-colour commemoratives and dramatic printing varieties, command high prices when genuine and confirmed.

Values are a guide only and depend on condition and the individual stamp.

Why condition is everything

It is worth saying plainly: even the most famous stamp is only worth a great deal in good condition. A worn, faulty or repaired example of a celebrated stamp can be worth a small fraction of a fine one. The reverse is also true, as a stamp in exceptional condition can fetch far more than its catalogue value. Whenever you read of a record price, it is almost always a superb example that achieved it. Our guide to condition and value explains the difference it makes.

Beware fakes and rare stamp claims

A gentle reality check

The most valuable stamps are also the most faked, repaired and misattributed, so caution is essential. A genuine rarity needs expert examination and an authenticating certificate before any value can be relied upon.

It is also worth a gentle reality check. The great majority of stamps in ordinary collections are common, however old or attractive, so treat any casual "rare GB stamp" claim with care. Our guides to our quality and grading standards and our accreditations explain how we protect buyers.

Do you think you have one?

Genuine rarities are, by definition, very rare, and most collections do not contain one. But it is worth checking, precisely because the few that do can be worth a great deal, and the difference is easy to miss.

Send us clear photographs for a free, honest valuation, and we will tell you plainly what you have. For a genuine rarity, an auction may well serve you best, and we will say so, as our guide to selling at auction or to a dealer explains.

Frequently asked questions

Among the most valuable is the Penny Red Plate 77, of which only a handful survive, with sales of around £500,000. Other great stamps include the 1882 £5 Orange and the 1929 Postal Union Congress £1. In every case, condition decides the figure.