Lots of variables to consider:
Is it complete with all varieties including the high value stamps? Many collections have all the common ones and didn't include the more valuable stamps, as people didn't want to pay for the $5 variety.
Are they in good condition, not stuck to the page. Aare they in mounts or stamp hinges?
In general, the value is at least that of face value, as they can always be used as postage. Dealers will typically pay 80% of face for mint stamps.
Still worth 4 cents, for postage. If have a lot of them you want to convert to cash, you have to sell most of them for less than face value, since most people do not want
to have to stick 11 stamps on each letter.
If they are used, the are worth about 50 cent per hundred if bundled into packs on
100 alike.
Count on face value at best. These stamps can be bought at less than face in many instances.
You will have to identify the specific stamp from 1960. Use a stamp catalog to assist, in general the value will be low and most can be purchased for less than a dollar.
The current average value of a 1962 US proof set is $29.
Ordinary stamps were 3 cents each in 1916 .
The current value of a 1962 US proof set is $29.
11-8-11>> The current value of a 1962 US proof set is $30.
15 cents.
No you cannot use them. Forever stamps can only be used for domestic (inside the US) mail. They must have a value on them for international mail.
US postage stamps do not expire -- they are always worth face value as postage.
There were 3 stamps in that series, so it could be Scott number US 1504-6. A full sheet of these stamps has a catalog value of $15.75 or $22.50 depending on which one it is.
In the US, they are still valid for postage at their face value. The US has never de-valued their postage stamps. For a collector's value, you would have to consult a catalog to identify and value the stamp. Look for one at your library or on line.
The H stamp has a value of 33 cents toward postage. The H Make-up stamps are worth 1 cent. Both are valid for postage within the US at that value.
If they are the non-denominated US stamps, there is an identifier on the USPS web site. For collector values, check an online catalog, such as Mystic Stamps.
Barely, probably the face value of the stamp.