What are the options you have for hanging metal prints?

Standout mount posts:

Wooden hanging block 5"x 5" (3/4" depth):

Metal gallery mount:

Plastic 5" x 5" Hanging Mount:

Wire Hanger

Easel/ Hanger Mount:

(Doubles as a wall mount.  Not recommended for sizes larger than 8"x10". Should be mounted vertically)