Generally, rarity and demand. It's not enough for a stamp to be just rare, there must also be at least two people who want it. They then compete against each other to buy it, driving the price up. If I have the only copy of stamp, but nobody wants to buy it, it is worthless to me. This is true for any 'collectibles'.
The complete subject in the sentence "A valuable stamp collection is missing from the library" is "A valuable stamp collection." This subject consists of the article "A" indicating a singular, specific stamp collection, and the noun phrase "valuable stamp collection" providing further description of the collection. The verb "is missing" indicates the action or state of the subject.
4.60 lol
scientific method become valuable internalized as a process to solve a problem
The most valuable stamp is the inverted Jenny. It was auctioned for over 3 million. There are only about 100 pieces in existence today.
The Queen Victoria, penny-red, plate 77, one penny stamp.
{| |- | When non-collectors ask questions they tend to be the following: How many stamps do you have? What is your most valuable stamp? How long have you been collecting? |}
THE 1993 US Elvis stamp was the best-selling commemorative stamp of all time, with over 517 million sold as singles or in sheets. Many Elvis stamps issued in limited editions are extremely valuable, but not the US stamp.
IN 1903 after the stamp act occured
first become a ninja
One requirement is that you have to be dead. Also consider stamps.com. Anyone can upload their image to a stamp.
That will depend on the specific Swedish stamp you have. Some have a great deal of value, the most valuable stamp in the world is form Sweden, but most have a minimal value. The condition, cancellations, what it is attached to, watermarks, perforations and even color variations can affect the value. You will have to consult a postage stamp catalog to find out.
It will depend on the specific stamp. Washington is on more stamps than any other president. Some of them are very valuable, but most of them are low value. And of course it has to be in good condition and not damaged.