Definition of Periosteum. It is a dense fibrous membrane made up of irregular connective tissue that covers the external surface of the bones. It is completely opposite to endosteum that lines the inner cavity of long bones.t mainly comprises of the following two layers: 1  Outer fibrous layer: It is composed of collagen-producing cells called fibroblasts and contains nerve fibers that cause pain when damaged due to the presence of nociceptive nerve endings.
Dealer Says He Doctored Most Valuable Baseball Card Ever Sold. A rare example of the 1909 Honus Wagner baseball card. In 2007, one of them fetched a whopping $2.8 million. A rare example of the 1909 Honus Wagner baseball card. In 2007, one of them fetched a whopping $2.8 million. A judge has rejected a plea agreement from the former head of a sports memorabilia auction house who admitted to using shill bidders to drive up prices and to altering the most valuable baseball card ever sold.
The T206 Honus Wagner baseball card depicts the Pittsburgh Pirates ' Honus Wagner, a dead-ball era baseball player who is widely considered to be one of the best players of all time.The card was designed and issued by the American Tobacco Company (ATC) from 1909 to 1911 as part of its T206 series.he card's odd texture and shape led to speculation that it was altered. The Gretzky T206 Wagner was first sold by Alan Ray to a baseball memorabilia collector named Bill Mastro, who sold the card two years later to Jim Copeland for nearly four times the price he had originally paid.