What is value of 2002 us postage stamps?

The face value is primarily 37 cents.

Most used US postage stamps are worth 15 or 20 cents, the minimum amount required to catalog and stock the stamps. A number of stamps issued in 2002 have a bit higher values.

Unused will always be worth at least their face value but some of these range in value to almost $2 each. Special cancellations and different values are likely to be worth more.

Consult a postage stamp catalog, usually available at your local library for exact identification and catalog values.