Denomination (postage stamp)
:This article deals with the price of a postage stamp. For other meanings of the word 'denomination' see Denomination (disambiguation).

In philately
Philately is the study of stamps and postal history and other related items. Philately involves more than just stamp collecting, which does not necessarily involve the study of stamps. It is possible to be a philatelist without owning any stamps...

, the denomination is the "inscribed value of a stamp". For instance, if you visit the post office to buy a stamp to pay $1's worth of postage you will receive a stamp that has the value $1 printed on it in words or numbers.

The denomination is not the same as the value of a stamp on the philatelic market, which is usually different, and the denominations of a country's stamps and money do not necessarily match. For instance, there might be a 47c stamp to pay a particular postal rate but there is unlikely to be a 47c coin.

No denomination shown

Where no denomination is shown, it may be because the stamp is deliberately non-denominated
Non-denominated postage
Non-denominated postage is postage intended to meet a certain postage rate that retains full validity for that intended postage rate even after the rate is increased. It does not show a monetary value, or denomination, on the face. In many English speaking countries, it is called non-value...

 to pay the cost of a particular service, or because the stamp is not a postage stamp. It might be a cinderella stamp
Cinderella stamp
In philately, a cinderella stamp has been defined as "Virtually anything resembling a postage stamp, but not issued for postal purposes by a government postal administration..." The term also excludes imprinted stamps on postal stationery.- Types :...

 of some kind such as a poster stamp
Poster stamp
The poster stamp was an advertising label, a little larger than most postage stamps, that originated in the mid-19th century and quickly became a collecting craze, growing in popularity up until World War One and then declining by World War Two until they are now almost forgotten except by...

 or charity label
Charity label
A charity label is a label resembling a postage stamp, sold by charities to raise funds. They are generally intended to be used on mail, as a way of advertising the sender's support of the charity's cause....


Changes of denomination

Sometimes a stamp may have its denomination changed by the post office due to local circumstances. For instance, stocks of one value may be overprinted
An overprint is an additional layer of text or graphics added to the face of a postage stamp or banknote after it has been printed. Post offices most often use overprints for internal administrative purposes such as accounting but they are also employed in public mail...

 to show a different value due to stock shortages. In cases of hyper-inflation stamps have had their denomination changed by overprinting as existing denominations became worthless. In other cases, changes to the local currency have led to changes in denomination. For instance, when the Ryukyu Islands (at the time a United States protectorate) changed its currency from Yen to Dollars, a number of airmail stamps originally printed with Yen values were overprinted and re-denominated to cents in 1959–1960.
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