Who Are You Little Adults?

So much for a carefree childhood.  These sisters look very severe though the one on the right does seem to have a cheeky joie de vivre she is trying to subdue, or is that just my reading?

Sadly, this is filed under "Who Are You?" --no names on the back.

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Unknown sisters in matching dresses.  I like how they are styled slightly differently.  The older one is wearing jewelry and a plain sash