Souvenir sheet issue \"Red Cross\" with factory watermark \"LIGAT\" in the sheet margin, impeccable mint never hinged, without delivery cancel in the sheet margin - rare! Issued only 2.597 examples (X and Z together), unsigned, photo expertize Gerhard Krischke : \"the condition is perfect. \", Michel 850.- - in of our 182 auction obtained a qualitatively equipollent piece 850.- Euro as well percentage of bid price!