Abraham Lincoln autographs and historical documents are among the most collected and are always in demand. His letters are known for their great clarity and economy of words, he never using two...
Long-time Queen of Great Britain who gave her name to an era, Victoria's autograph is affixed to formal documents, letters of state, and personal correspondence.
Perhaps the most noted inventor, autographs relating to his scientific work or inventions are the most desirable. His signed photographs, because of his beautiful signature, can be wonderful as well.