![Assateague Island National Seashore](http://www.globenewswire.com/en/Attachment/LogoDisplay/385795?filename=385795.jpg&size=2)
Postal Service Previews 3rd of 16 Stamps Celebrating National Park Service's Centennial
April 06, 2016 09:19 ET
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United States Postal Service
WASHINGTON, April 6, 2016 (GLOBE NEWSWIRE) -- Wild horses of Maryland's and Virginia's Assateague Island National Seashore were previewed today as the third of 16 Forever Stamp images to be revealed...