6 Kr. blue, IV. issue, horizontal pair and two single pieces as properly franked 24 Kr. franking on international letter in the II. weight step, with three ring postmark "220" together with single circle postmark "FRANKFURT A. M. 2 / 3 (1866) " and one-line cancel "Franco" to Amsterdam / Netherlands. Complete letter contents, two stamps little tear, a crease. Visually impressive document in aboriginally condition. Photo expertize Sem BPP