How old is this piano?

No sure, but if you look at the website a href="http://www.bluebookofpianos.com/" rel="nofollow"http://www.bluebookofpianos.com//a it may help you. Probably not a highly valuable piano but definitely vintage. If you want someone to find out for you try a href="http://en.allexperts.com/" rel="nofollow"http://en.allexperts.com//a they are really good in answering questions like this. (highly recommend)