The USPS has issued a plan to phase out all WAG stamps in favor of PSA stamps, although existing WAG stamps will be sold until the supply is exhausted.
Linn's Stamp News has summarized this here:
http://www.linns.com/news/breaking-...ick-US-stampWhat's particularly striking is the fact that:
Quote:
...according to the Postal Service, which claims that the base cost of printing stamps with moisture-activated adhesive is now 115 percent greater than self-adhesives. That means the cost of creating a lick-and-stick stamp is more than double that of a self-adhesive.
The problem, according to the USPS, is that "water activated paper is only available through international channels," adding to the production cost and slowing down production as stamp printers wait for the special imported paper to arrive.
If you wish to view the 6-slide USPS Power Point Presentation on the subject, it can be found here:
https://ribbs.usps.gov/mtac/documen...pensessions/