Something don't look right.

[Hillbilly Rockstar]

I would say between 4 and 5...and his pupils appear to be round, so I am going with Watersnake.

[EastTexasMan]

I seem to be the outside guy here, but I'd bet a paycheck that he's only 3.5 years old. No belly, brisket area hasn't dropped down, head still looks too slender to be a 5 or 5+ year old deer....

Look at the face on that guy, he's run down post rut. That's a 5.5+ deer easy. Notice the little sway in his back, but he's run down and thin.

[WalkieTalkie]

those are some vicious brow tines

[KactusKiller]

Def not 3.5, back to main OP question yes antlers look doctored a bit if not completely photoshopped. Color/lighting looks off, but it could be real