The most commonly used stamp in the US pictured Washington when the rate was 5 cents and when the rate went to 6 cents, a stamp picturing Franklin Roosevelt was the stamp most often used.
The F series stamps were issued in 1991. The postage stamp has a face value of 29 cents.
geoge washington
15 cents
Benjamin Franklin was on the first U.S. stamp, but I'm not sure it counts as "ashesive" since it might have been issued without gum on the back.
Face value of the original stamp was $0.20
The E stamp had a picture of Earth on it. The face value of the stamp was 25 cents.
15 cents
A postage stamp with a face value of 49 cents.
The face value of the D stamp was 22 cents when issued in 1985.
The D stamp has a face value of 22 cents and can be used on domestic mail at that value.
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 C series stamps were issued in 1981. The postage stamp has a face value of 20 cents.