1920, Danzig Mi. 47, 48, 49, 1920, 60 Pf. "Large internal service". has a real print. The cancellation "Sopot * f * 10.10.20 9-10V" comes from an original stamp device, the certificate states the overprints are genuine, the cancellation genuine, declined to give an opinion on when the cancellation was applied. stamps are signed Schuler BPP..Cat. Euro 12,000.   (Image 1) (Image)