Center piece from charity souvenir sheet Nothilfe in perfect condition on registered letter "DORTMUND 20. 1. 34. 2-3N", certificate with photograph Hans-Georg Schlegel BPP: "stamps, overprints and postmark are genuine. The cover is postage exceeding tariff rate, defects to the stamps are indistinguishable. " Michel according to new handbook souvenir sheets 4. 000.-