This is an odd question. Supposing what was meant was something like: "Which U.S. non-denominated stamp was worth 33 cents?" the answer would be: the one with a hat, labeled "H" as seen at http://pe.usps.com/text/qsg300/Q604a.htm
In the U.S. postage for the fist ounce of a letter was 33 cents from 10 January 1999 until 6 January 2001. From 1 January 1995 until 9 January 1999 the price was 32 cents. If you are interested in U.S. postal rates before that, go to www.akdart.com/postrate.html
U.S. Postage stamps were 32¢ January 1, 1995 through January 9, 1999.
Consult a postage stamp catalog. They normally are well illustrated and have all of the designs identified. You can find one at your local library.
First Class postage in the US has never been 23 cents. It was 22 cents from February 1985 through 1988. On April 3rd 1988 the price went to 25 cents.
That first class rate went into effect on January 10, 1999. It was a one cent increase.
The H stamp is worth 33 cents. Yes, you can add a 1 cent stamp to cover 34 cents worth of postage.
It can be used for 33 cents toward postage. To purchase one from a stamp dealer would cost about 20 cents used.
Price, when issued in 1999, was 33 cents See (scroll to bottom) : http://alphabetilately.com/G.html KDC
The first class postage rate was 32 cents at the start of 1999. On January 10th it went up to 33 cents.
Scott Number 3260. These are the first class stamps. They have a face value of 33 cents. They are still valid for postage within the US for 33 cents.
Stamp Value Date of rate change A 15 cents 5/29/78 B 18 cents 3/22/81 C 20 cents 11/1/81 D 22 cents 2/17/85 E 25 cents 4/3/88 F 29 cents 2/3/91 ... F makeup rate 4 cents G 32 cents 1/1/95 ... G makeup rate 3 cents H 33 cents 1/10/99 ... H makeup rate 1 cent (no I stamp) 34 cents 1/7/01
A= 15 cents B= 18 Cents C= 20 cents D= 22 cents E= 25 cents F= 29 cents G= 32 cents H= 33 cents
The value of the "H" Rate First Class stamp is 33¢ as per official United States Post Office information. The "H" Rate Make Up Rate stamp is 1¢. Check for the additional wording so that you know which one you have.
The H stamp is worth 33 cents in postage. The US has never de-valued their postage stamps. In the US, they are still valid for postage at their face value.
The H series First Class Stamp is still valid for 33 cents worth of postage. So you would have to add 12 cents to it to mail a letter in 2012.
The "H" rate makeup stamp is worth one cent US. It was used with the pre-rate change 32 cent stamp to make the new 33 cent cost of a first class letter.
33 cents