There was a foil tag on the right wrist.
The American Girl Barbie box was not wrapped in cello but there was a piece of cello on the doll's head. The graphics on the box sides include depictions of Barbie wearing Slumber Party, Golden Evening, Skater's Waltz, Student Teacher, Modern Art, Disc Date, Poodle Parade, Matinee Fashion, Learns to Cook, Jr. Designer, On the Avenue, and Holiday Dance. These are all highly coveted 1600 series fashions any of which look wonderful on an American Girl Barbie doll. Current market prices for short hair American Girl Barbie dolls are approximately $125 for a played with doll with some flaws to $795 for an NRFB example.