"Ali" chestnut mare Do you recognize her?

Do you recognize this horse? She was shown in Washington and California and is about 19 years old. We know she had been a school horse here in WA. We would like to know why she has a scar from a previous surgery.

Pics

http://s53.photobucket.com/albums/g54/ktusberg/?action=view&current=Allie-1.jpg

http://s53.photobucket.com/albums/g54/ktusberg/?action=view&current=8102f3e5.pbw