English: Stamp of Deutsche Post in China, 20 Pfennig first issue (March 1898), ultramarine, overprint at 45°. Unused Michel N°4I. . 16 March 2014, 17:36:49. Jacquesverlaeken 1 1898 China 20Pfg Mi4I Stock Photo - Alamy
3x 20 Pfennig Deutsche Bundespost, Leuchtturm in Nordrhein-Westfalen - Krefeld | eBay Kleinanzeigen
Stamp: The Alte Weser Lighthouse (Berlin(Industry and Technology) Mi:DE-BE 496,Sn:DE 9N361,Yt:DE-BE 460,Sg:DE-BE B480,AFA:DE-BE 494,Un:DE-BE 460