Whatever the first class postage rate is. Currently 49 cents.
Yes
Yes, the "Raising the Flag at Ground Zero" stamp, issued by the United States Postal Service in 2010, is a Forever stamp. This means it can be used to mail a standard letter regardless of any future price increases in postage. Forever stamps are designed to simplify mailing and provide lasting value.
This is a common stamp worth 4 cents in mint NH condition.
I don't see any writing on the flag. The lower right of the stamp has the year in small numbers, but there is nothing on the flag itself.
one dollar
No, only one Forever stamp has been issued. It has a value of 44 cents currently. There is a listing of USPS postage stamps that have been issued without values on their website.
The USA H first class flag top hat stamp, issued in 2012, is typically valued at its face value of 45 cents. However, its worth can increase among collectors depending on its condition, rarity, and demand. In uncirculated condition, it may fetch slightly more than its face value in the marketplace. For precise valuation, it's best to consult a stamp catalog or a professional appraiser.
39 cents
The value of a first class flag over farm stamp typically depends on its condition, rarity, and demand among collectors. Generally, these stamps can range from a few cents to several dollars each. For an accurate valuation, it's best to consult a stamp catalog or a professional stamp dealer.
According to the USPS website, under "Buy Stamps", then "Rate Change", the brown background non-denominated US Flag stamp is $.41. The US flag is one of the most popular subjects for a Postage Stamp and can be found on dozens of them. The value of each will be dependent upon condition and rarity. You would have to identify the specific stamp to determine the value.
thirty-two cents according this this site http://www.akdart.com/postrate.html
The ivory colored American flag stamp was issued back on 4/12/2007 and face value is .41.