1900, official delivery envelope for postal stationery postcards, impression "lot number 19. / Togo / issue 1900 / 5 postcards to 10 Pf. / M 5. ", numerator stamp "97" and hand sign, reverse stamp of the "REICHS Postal Museum BERLIN", due to of the smaller Format the postal stationery postcards to expecting horizontal crease in the upper area, very rare and interesting piece