This one is the same size, but a different mold. It came with a fantasy Barbie set “Barbie Doll and Fantasy Pets Dress-Up Doll Mermaid Tail and Skirt” HLC28:
Barbie 3″ Baby Unicorns
This one is the same size, but a different mold. It came with a fantasy Barbie set “Barbie Doll and Fantasy Pets Dress-Up Doll Mermaid Tail and Skirt” HLC28: