The flip side

I've got two quilts being picked up by members of my quilt guild for binding today.  That's two more that can be delivered any day now.  Woo hoo!  And while the fronts of the quilts all pretty much look the same, the backs don't.  Look at this wonderful pieced backing from Maureen in OR:

I'd have to switch between having the disappearing 4-patch on top and the pieced backing on top if it were MY quilt!