2 Sgr. Coat of arms, as a single franking on under-franked Postal Union letter, with two ring cancel "Cologne railway station 14 4 (1867) " together with on the stamp turning into box cancel of 2 lines "from the postbox" to Frankfurt (Main). The postage was for these shipment 3 Sgr., there over 20 miles distance. Besides the 1 Sgr. Missing postage fell still 1 Sgr. Postage due at, therefore waren from consignee 6 kreuzer ( = 2 Sgr. ) to to pay. Left through the stamp walking vertical, smoothed letter crease - nevertheless an attractive document