USPS shipping is 50% off today only!

The coupon is only valid on Wednesday, Sept. 8, 2010 in stores. One time use only.
Caveats: not valid online. You must have an original copy of the coupon to get the discount. Cannot be combined with Store Purchasing or Procurement Cards. Cannot be combined with any other offer or promotion. One coupon per customer/business. Valid on domestic packages up to 70 pounds and international packages up to 20 pounds or 4 pounds, depending on the box size.