Look at the eyebrow pieces in the grill. If they are louvered around the blinker, it is probably a '60.

http://www.stovebolt.com/gallery/allred_benjamin_1960.html

If it is a heavy cross shaped bar with the blinker in the center it is likely a 61'.

http://www.stovebolt.com/gallery/johnson_brian_1961_02.html

Look up the serial number to be sure.