WT11-8 FDC Firefighters USA-FRANCE 2011 "Sept. 11 Attacks Shankville PA-Firminy"

N°WT11-8: Envelope FDC twinning USA - FRANCE "11.09.2011: 10th anniversary of the September 11 attacks against the United States - Tribute to the Firefighters of New York (USA) / 16.09.2011: Bicentenary of the Fire Brigade of Paris - First Day of issue in Firminy (France) "

- Postage USA 44c "Kate Smith", Slogan cancellation Shankville, PA "Heroes of Flight 93 - 10th anniversary of the September 11 Attacks" (USA) 09.11.2011

- Postage France €0.60 "Sapeurs-Pompiers de Paris, 2011" Picture postmark Firminy "1er Jour - Sapeurs-Pompiers de Paris" (France) 16.09.2011

Limited edition of 40 numbered copies - VERY RARE