Earlier this week I was contacted by Billie, who sent me the photos you see in this post. What a find!Given the details on some of the inserts in the box we believe that this filing box dates back to the 1930's. The filing box appears in my 1937 catalogue and the 1979 one as well. Sadly we don't have any catalogues between those two dates, if any were produced. However, as you can see from