A quick count of the US Scott listing includes over 200 different varieties. The first was issued in 1847. The most recent was in 2006. Other countries have also issued stamps commemorating our first president.
One.
6
You have to go to the Department of Agriculture to find out the current statistics in the state of Washington regarding how many families are on the government food stamps.
As long as it meets the postage due, it can be done with a single stamp.
For a regular letter? Just one.
One ... up to 1.0 ounce in weight.
Ask at a post office in USA !
Benjamin Franklin and George Washington were on the first US Postage stamps.
Martha Washington appeared on many US postage stamps. The first was Scott Number 306 that was issued in December of 1902.
Just 1. Hawaii is zone 8.
Lucky you.
Just 1. 1st Class goes to all 50, same price.