as much as someone is prepared to pay for it.
That will depend on the specific stamp. There are a number of stamps from various countries that depict Eva Peron. You will have to consult a postage stamp catalog to find out.
$0.20
can anyone tell me wow much it is worth\ the stamp was circulating in 1957 or 1958
how much did a postage stamp cost in 2016
It depends on the stamp which you have. Although, to be honest, most stamps issued this recently aren't worth very much. Generally, since there were so many printed, it is used as postage on mail!
20 cents retail. 1 cent as postage.
That stamp was issued in 1985. It has a face value of 22 cents.
The US issued a Chester W Nimitz stamp.
the postage stamp had cost $00.32 in the year 1993
That depends on many factors. A stamp is worth its face value for use as postage. If you have something that is old and is rare, it could be worth some money. Today's First Class postage stamps are 44 cents.
A first class postage stamp is $0.50 or 50 cents.
Right now, a postage stamp is 44 cents.
These are 15-cent stamps -- still good for 15 cents postage.