CSA New Dietz PP2 Counterfeit with CSA Certificate 5285 which states: "New Dietz PP2 (10c purple) unused with original gum. Unofficially printed from an altered plate. It is a COUNTERFEIT printed from an electrotype copy of the Columbus section of nine from the actual altered plate." OWN A PIECE OF HISTORY. For more information on this stamps go to Dr. John L. Kimbrough's website - www.jlkstamps.com and click on CSA Stamps & Postal History > ENTER FRAMES > QUESTIONS & ANSWERS > QUESTION #6. It is very interesting reading and this stamps is part of that history.