American girl doll full-size

Hi, today I was at my local thrift store and came across this American girl doll, I know nothing about these dolls and would like to know more information about this doll it appears that her hair has been cut I took pictures of the tags her neck is marked American girl, LLC tag reads made in China for American girl I don't know if this is a cheaper version as I believe they were made in Chicago there is a? Serial number 0901SJ she Has brown eyes would like to know when she was made and what her name if these have names other than American girl thanks for reading/viewing.