1 Reichmark Gdansk with overprint \"German Reich\" as very colour-fresh copy in the very rare type Yx - reversed watermark flank of the swastika to the right, impeccable mint never hinged, unsigned - as yesterday first at the post-office counter rworbenen outstanding quality, photo expertize H. D. Schlegel BPP (2011) : \"the quality is perfect. Only a few specimens have become known. \"