The art is prepared for hanging.
use two 50lb picture hooks.
The art is nowhere near that weight, we like the sturdy looks of the hangers.
use 10lb picture hook.
use a nail
on DRYWALL The pieces are lightweight, so a regular picture hanger will work.
on STONE You will need a drill and anchors. See if you can drill into the mortar.
in CORPORATE INSTALLATIONS We can set up the back for a security hanger.