John Denver Signed 3×5 Index Card JSA Certified Autograph Rocky Mountain High. 100% Guaranteed Authentic – Autograph Obtained In Person. Approximate Item Size: 3″ x 5″. Ink Color: Blue Sharpie Pen. Condition: Excellent (Please see photos). Hand Signed By: John Denver. Please view all photos and message me with any questions. Your certificate of authenticity includes a JSA registration card with a unique certification number that corresponds to the alpha-numeric tamper evident label. Each certification number is uploaded into the JSA database for 24-hour customer verification access.