Maybe that’s mom plomped up on the new’58, and the daughter got the hand me down ‘56. That’s my theory. Either way I’d tell them to hop down off those cars. Or with the thinner whitewalls that picture could be from the early-mid ‘60’s and those could be two sisters showing off their T-Birds. Again either way...... get off the cars.
Don't get me wrong, I like the early 60's FoMoCo cars, but somehow that T-Bird just looks so much classier than everything else in the photo.