Limited edition presentation of one flown cover and three unflown covers honoring the Albert Einstein ATV [Automated Transfer Vehicle], numbered 261/400, contained within an 8.25 x 11.75 folder. The cover seen in the lower right was flown on the European Space Agency unmanned cargo resupply spacecraft and later cancelled on June 18, 2014, in Houston when the flown covers were recovered. In fine condition. From the collection of aerospace memorabilia specialist Ken Havekotte.
