42 cents is the 2008 rate. The rate went up on May 12 from 41 cents. You can check the USPS web site for a history of the rates and the current rates.
A first-class stamp is not the same as a forever stamp. A forever stamp holds the value of a first-class stamp regardless of how often the rate for first-class postage has increased. A first-class stamp only holds its face value.
It is a forever stamp. It is good for the current value of a first class stamp.
That is the F stamp and came out in 1991. It has a face value of 29 cents.
That stamp was issued in 2005. It has a face value of 25 cents.
A first class stamp is 44 cents as of 2010.
First Class is 44 cents
4cents
A postcard stamp looks like a first class stamp, only it has a smaller value. The size of the stamp is one inch by one inch.
On 12 May 2008 the First Class Postage Rate was increased to 42 cents.
In 2002, the value of a UK first-class stamp was 27 pence. This price remained steady until it was increased to 28 pence in April 2003. The 27 pence stamp was commonly used for sending standard letters within the UK.
44 cents as of 2009
Cost of a postage stamp was dependent on the face value of the stamp. The most common rate stamp is for First Class Mail. In the United States 1922 that was 2 cents for the first ounce.