Real Acorn silver bookmark. A real Acorn dipped in silver to create a beautiful and unique bookmark.The bookmark is 5" (13cm) plain gold plated.Oak in British culture The Druids frequently worshiped and practiced their rites in oak groves. In Somerset stand the two very ancient oaks of Gog and Magog named after the last male and female giants to roam Britain. The Major Oak in Sherwood Forest is purported to be the tree where Robin Hood and his Merry Men hatched their plots.