On Dec 31, 12:14*pm, Matt wrote:
SWMBO got a painted piece of slate with our last name, etc. that
measures about 12"x12" and has a leather picture-hanging cord. *Need
to mount it outside on our stone facade next to the front door.
Problem is that it is very windy where we live, with gusts to 30mph+
very common. * I need some way of securing it to the facade other than
just the leather strap hanging from a nail or it is going to rattle to
the point of driving us crazy. *Any takers?

Would it be possible to attached a French Cleat to both surfaces?

http://www.govart.com/hardware_cleat_B.html