it is a stamp
In the 1920's you could by a stamp for 1-3 cents a stamp.
Yes. The A has a short A sound as in am and lamp.
For small letters, 39p
Philatelist
probably a manufacturer stamp
stamp
The United States Postal Service commissions stamp designs. The USPS is a branch of the federal (national) government.
Norway. OFF SAK is found on Norwegian stamps. It is an abbreviation for Offentlig Sak. They are used for Official Mail such as government letters.
stamp
It depends on the weight of the package or envelope. Letters weighing one ounce or less require a 49 cent stamp called a "forever" stamp.
It means "stamp" - the stamps which are pasted on letters when you send them.