Could have been A late stage prototype. There are different stages of protos. From conception to production. I think she is a test run and they switched poses or colors for large scale factory production last minute.
Same case for baby Billie and Susie and the rainribbon.
As well as thailand mountain boys.
It was either an alternate release or a production test proto
Certainly not your common factory line mistake. Her body color,
Hair color , eye color, and symbol color are all different.