It was 2 cents for First Class Postage until 6 July 1932 when the postage rate increased to 3 cents.
The price of a First Class Stamp in the US in 1920 was 2 cents. It was good for one ounce of First Class Postage. It went up to 3 cents in 1932.
1st class postage stamp at this time is .42. (as of May 2008)
A first class postage stamp is 44 cents.
29
3cents
50
It was $0.33 for a first class postage stamp.
two bucks
33 cents.
4 cents
Basic postage cost 4 cents.
In the United States, in 1921, a first class postage stamp would've cost 2 cents.