If you like varieties, then you'll need to have this for your tool box . http://varietyvista.com/index.htm
If some people like to search for varieties, they should spend a little time trying to learn how they occur. One might post a billion photos and still never find one. Chris
You see how the nine in yours points down to the 7 and not across. The top of the 7 is slightly recessed and not lined up with the 9 and 0.