Just had a quick scan of The Poe Community.  I couldn't see whether anyone had posted information on the single stamp issued by Monaco, to commemorate Edgar Allen Poe's 200th Birthday.  This is an unusual design, in that it is in "diamond" format, but it is a well executed engraving that is a great tribute to Poe.

The relevant website is: www.oetp-monaco.com.

I'd be interested in news of any other issues this year by other countries, including perhaps, by the USPS?