Stamps.com, a leading provider of Internet-based postage services, announced the return of PhotoStamps, the service that allows consumers to turn their digital photos, designs or images into valid U.S. postage. PhotoStamps is expected to be available under authorization of the U.S. Postal Service for a year-long market test beginning May 17, 2005. The initial market test of PhotoStamps from August 10 through September 30, 2004. During that 7 1/2-week period, more than 2.75 million individual PhotoStamps were ordered. Pets and children were the most popular categories of images submitted. Stamps.com will begin taking preorders immediately for PhotoStamps at its Website