Written by Kaye S. There are two types of subs, fast attacks and boomers.. Fast Attack subs serve two functions: (1) accompanying an aircraft carrier group to protect it from bad guys or (2) deployed alone on special missions as hunter-killers (searching for bad guy subs). They are designated with SSN in their name.
The $400 stamp in the sheet features the stamp-on-stamp design. Guyanaâs Kaieteur Falls, one of the worldâs most spectacular and powerful waterfalls, is shown in the selvage. An inscription in the selvage reads: âOne Cent Black on Magenta. The year 2006 marks the 150th anniversary of the printing of the rarest and most valuable stamp in the world, the âOne Cent Black On Magenta.â
A Sotheby's staff removes the British Guiana stamp from its case at Sotheby's in Manhattan, New York June 9, 2014. The stamp, being called the world's most famous, is estimated to sell for $10-20 million when auctioned on June 17. Photo: REUTERS. A stamp rated three times as the worldâs most valuable, regarded as the âMona Lisaâ of postage, is set to reclaim its title and break records for a fourth time this week.