Whatever the current First Class postage rate is. In March of 2012, that is 45 cents.
depends on the current rate of a stamp. The forever stamp stays at the current rate forever.
As of January 22, 2012 the rate is 45 cents. You could also buy the "forever" stamp which will never lose its value as a current stamp.
The current First Class postage rate is 45 cents.
The current First Class postage rate is 45 cents (since 22 January 2012).
Yes, it has been 45 cents since 22 January 2012.
Stamp Out Smoking - 2012 was released on: USA: 7 February 2012 (Alp)
Numismedia quotes a market value of $39 as of 05/2012.
No, it is not. The current rate for a postcard from US to Canada is 85 cents (as of March 2012).
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Well if it's not christmas and if the stamp has christmas decorations it would be a little akward, but if you want to, go for it! Answer You can use them anytime. If you have a "forever" stamp, the value is always good. If it is an older stamp, make sure that it has the right value for the present time. In 2012, you need 45 cents to mail a letter under 13 ounces.