On May 4th, 2010, Canada Post began issuing a se-tenant pair of stamps marking the 100th anniversary of the Canadian Navy, or MARCOM (Canadian Forces Maritime Command).
In May 2010, the world’s most expensive single stamp, the Swedish Treskilling Yellow (see article: What are the most famous rare and valuable stamps? ), will go on the auction block at a private auction held by David Feldman SA, at his galleries in Geneva, Switzerland. What makes this stamp so special? Why has it captivated people for over a century?