Usually Old Magazines and Newspapers value range from $3 to $ 10 according to Auction Wally Blogspot. Almost all of newspaper's value is determined by whether or not it features a major news event. For example the Sinking of the Titanic article and the Obama Wins newspaper sold for $177.50 on eBay. This shows that you can set high price for Daily Mirror copy you have of 1912 because not only that copy is old, It is also rare and covers a very important event. You can place it for auction at E-bay and Visit History Buff for guidance too.
There is also a book for evaluating price for Old Magazines and Newspapers.
There is also a book for evaluating price for Old Magazines and Newspapers.