I was trying to find a better picture of a 1935 grill. It's a tough
call but it looks to me like the '35 is a little more rounded at the
bottom than your grill and the one in 1934 photo. Judge for yourself.
I'm more convinced that yours is a '34 after seeing more photos of a
'35.

1935 grill
http://commons.wikimedia.org/wiki/Im...ach_KAU186.jpg

another 1935 grill http://rides.webshots.com/photo/1117...53730875zRtkzS

and yet another http://rides.webshots.com/photo/1117...53730875ADegDv

Forrest