you could.... but i'd work at altering one or both... so it was a different size, cropped differently, printed on different color... mirror image.. something like that.

Weird ... I wouldn't

I've seen it done and always found it puzzling. I would want some type of variation for more interest.

Sure. Why not. Very Modern. You could have 2 vases with flowers nearby too. Mix up your art. No rules.

What diamondblue said. No rules and unexpected. Most people's decor is wayyyyyy too safe.