Sharks Fish Ocean Fauna Lighthouse Souvenir Sheet Mint NH hot air ballon [2] Przewalski's horse had reached

[2] Przewalski's horse had reached the brink of extinction but was reintroduced successfully back into the wild

Sled Dog Husky Siberian Miniature Souvenir Sheet MNH

Burundi Famous Painter Frederic Bazille Imperforated Sov

Soviet Spatial Exploration Space Astronautics Vladimir Chatalov Sov

while the Indian

Sharks Fish Ocean Fauna Lighthouse Souvenir Sheet Mint NH hot air ballon [2] Przewalski's horse had reachedSharks Fish Ocean Fauna Lighthouse Souvenir Sheet Mint NH Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha (or Selachii) and are the sister group to the rays. However, the term "shark" has also been used for extinct members of the subclass Elasmobranchii