There will be no markings or cancellations on the front. And the back will have the original undisturbed gum.
Postal Savings stamp. Sells for 50 cents or so.
Find it in a catalog. The entry will typically include the date of issue, as well as the catalog value of the stamp in mint and used condition.
It is referred to as postally used. Some collectors prefer used versions to mint ones.
A used stamp is seldom worth more than a mint stamp. However, that can vary considerably. The stamps of some countries, such as Tonga, are worth more used then mint. And a used stamp on an envelope could be worth a great deal depending on the cancellation and other factors.
The letters are called Mintmark's NOT mint stamps. They are used to identify which mint the coin was made at.
The "S" is a mint mark not a stamp, but the value is $2.00-$3.00 for circulated coins and a mint state coin is $7.00
The US mint did not use mint marks on the 1965 half dollar coin.
Minuteman Project was created in 2005.
Yes, it does.
strike, punch,stamp, issue, invent
Revere was alive in the American Revolution, but was never a minuteman. A "minuteman" was a man who fought in the war.
If you mean the US stamp, it was issued 1990 and about mint .65c used .20c