It will depend greatly on which bicentennial stamp your have. The first class rate then was 13 cents and it can still be used for that value in postage. For a collectors value you will have to identify it using a catalog.
What is the value of a boston tea party bicentennial 8 cent stamp worth
$0.20
can anyone tell me wow much it is worth\ the stamp was circulating in 1957 or 1958
There were dozens of stamps issued to celebrate the Bicentennial. You will need to consult the catalogs and do some research. Most libraries will have a copy of Scott's Postage Stamp Catalog of the World. First of all, you have to identify the specific stamp or card. That in itself can be a daunting task, but most of the catalogs are well illustrated with lots of information. Once you know what item you have, the catalog will provide a set of prices that can be used to estimate value.
as much as someone is prepared to pay for it.
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.
The US issued a Chester W Nimitz stamp.
That stamp was issued in 1985. It has a face value of 22 cents.
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.