For the Doctor Who launch, Royal Mail is offering special postmarks in the hometowns of the 11 actors who have played the Doctor.

BBC: The extreme stamp collecting of first day covers

In the aftermath of the November 2000 election there were complaints that many military absentee ballots were being disqualified for lack of dated postmarks.

CNN: Pentagon report fails to address key question in voting controversy

Chinese post offices promptly returned any mail bearing those postmarks.

WSJ: Interview with Ma Ying-jeou: Taiwan's D��tente Gamble

Martin Morgan-Taylor made the unexpected discovery, which has two postmarks, one in the Isle of Wight on 31 July 1968 and a second from Peterborough on 8 April 2013.

BBC: The front and back of the post card

Though Gomez is technically a "solo artist" and writes the songs, parts, and arrangements on his own, a number of talented musicians join him on the record, including Sarah Jaffe, and members of The Polyphonic Spree, Midlake, and Postmarks, giving Pine Sticks and Phosphorous an impressive, full band sound.

NPR: Robert Gomez: 'On This Day'