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.
Ther â¦ e are now about 75 -100 known example of the card. There are at least 7 other cards known to be more rare. One of the first cards ever made was recently discovered by a 72 year old Californian woman. the card is from 1869 picturing the first professional baseball team, the Cincinnati Red Stockings. She almost sold the card on eBay for $10. The card is estimated to sell for at least five or six figures at auction. Another card more rare than the T-206 Honus Wagner baseball card is the 1921 Frederick Foto Babe Ruth card. There are three known examples.