Stamps.com allows users to print postage stamps on demand from their personal computers.  These are real stamps, not meters, as they can be used at anytime and can be mailed from any US location. The ZIP code on the stamps shows where the stamp was printed.

At this time there are two styles known, a flag background and a heart background. Four printing types have been identified, plus two font types most easily seen by looking at the zeroes in the numbers: zeroes are either ovate (Font A) or circular (Font B). Although only one example of Font B is shown, an example is known on the Type 2 (Nov 6, 2002) and 4 (Feb 12, 2003) printings of the flag design. Perhaps Font B will be  found on Type 1 of the flag as well as on the heart design.

Flag Type 1
Four lines: denomination, US POSTAGE, ZIP, 062S#. Font A. Earliest known usage: July 25, 2002.

Flag Type 2
Five lines: denomination, US POSTAGE, ZIP code, FIRST-CLASS, 062S#. Font A. Earliest known usage: August 3, 2002.

Flag Type 3
Four lines: denomination, US POSTAGE, 062S#, ZIP, Font A. Earliest known use: December 3, 2002.

Flag Type 3 - Font B
Four lines: denomination, US POSTAGE, 062S#, ZIP. Earliest known use: January 6, 2003.

Flag Type 4
Five lines: denomination, US POSTAGE, FIRST-CLASS, 062S#, ZIP. Font A. Earliest known use: Dec 4, 2002.

Heart Type 3
Four lines: denomination, US POSTAGE, 062S#, ZIP. Font A. Earliest known use: December 17, 2002.
 
 
 

(All images are 300 dpi)
 
 

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