USPS' 2016 stamps celebrate Pluto's exploration
 

The US Postal Service now has an answer to its 1991 "Not Yet Explored" Pluto stamp, the same one the New Horizons team affixed to their probe before it started its journey to the dwarf planet. These new stamps for 2016 feature an artist render of the...

http://www.engadget.com/2015/12/31/u...-space-stamps/