They look like gold lace to me, that's one pretty boy you have there!!
I have one or two gold lace that have the some white in them. Does not mean they are not gold lace just that they are not SOP. Here are some of mine ~
I've just made your pic bigger and yes she does not have a big crest. How old are they? Could she have been trimmed? Is she a lot bigger than the other?
You could have a standard and bantam size in the 2 girls.