Help Identify My Mother's Vintage Barbie Doll

Not sure which barbie she is, it was my mothers. it markings on her right cheek. Midge 1962 (or 1952) not sure. also says barbie 1958 mattel pantented. it has a 18 on its left cheek if that means anything... my mother said she came with three wigs originally a red a blonde and a brunette. but we only have the brunette one. no original clothes. is she rare? cause i cant seem to find her. maybe i dont know what im looking for though lol the pics are bad quality since its a webcam. thanks for any info. :o)

This is a Fashion Queen Barbie.
Suzanne