The EEs I ordered from Ideal were not chipmunk, but they do have the green legs and muffs and no visible comb at this age (which I take to be pea comb). Here's a photo of one of them at 2 days old. Their wings are feathering in white.
Yup.... striped like a little chipmunk. You will also have more solid colored ones... but those chipmunk ones are the easiest to spot if your trying to pick them out of a group