First letter

(1913? September 23, Oconto WI)
[Penny postcard (reading "Best Wishes") addressed in ink by Olga to:  "Miss Lois Parsons, Fond du lac, Wisc., Waupun Str."  Polly (age 9?) is staying with her aunt Olga while her tubercular mother is in a sanitorium.  Polly writes in pencil:]  Dear grandma and aunt Lois.  We are all well, and I like to go to school.  We hope you are getting along nice.  I wish you would write soon.  from your Loving Carolyn X+X+