Dennis Lynn Rader Wichita Kansas' notorious "Bind Torture Kill" serial killer aka BTK.  

8 1/2” x 11” hand drawn calendar for the month of August 2013 with significant events, birthday, time in the prison infirmary, etc. noted on the calendar and hand signed with his initials on the bottom right, DLR.

Dennis Rader Signed Hand Drawn September 2013 Calendar