13¢ Harrison
(read how to identify your stamp below)

You have the 13¢ Harrison from the years 1922-30. It is a somewhat common stamp and is worth no more than a dollar if used.

To determine the difference the two varieties of the 13¢ Harrison one needs to look at the perforations. You will need a copy of the very common 1932 3¢ Washington (#720). A picture of which is shown below. Follow the instructions below

The value of #622 can be found by clicking here.
The value of #694 can be found by clicking here.

There is another way of determining the difference between #622 and #694, that is to look at the type of printing. #694 was printed using the Rotary Press Printing which makes the stamp wider and longer than #622 which was printed using the Flat Plate Printing method. An illustration of the degree of difference between the two printings is shown below;