The Great Wahooie

With Smoke

Red on beige, A picture of the Big Wahooni and the discoverer General Sir Roderick Purdeigh with the words 'The Ankh-Morpork, Howondaland Wahoonie, Discovered by Sir Roderick Purdeigh, 6p  Free with issue 6 of the SH Stamp Journal
  Dimensions:  40 mm x 28 mm
  Released:  April 2006
  Withdrawn:  April 2006
Rarity:  ?
SHS-AM0051-Aw

Without Smoke

Red on bige.  Similar to The Great Wahoonie but without smoke coming out of the pipe.  Released by mistake with issue 6 of the SH Stamp Journal, this caused the infamous 'Wahoonigate' protest. Also made available with Journal #7 to subscribers who received issue 6.
  Dimensions:  40 mm x 28 mm
  Released:  April 2006
  Withdrawn:  July 2006
Rarity:  ?
SHS-AM0051-Bw