This time you shall get a really heavy letter. At first I even wanted to write to you on cardboard so that you would have to fork out quite a sum for postal charges, but unfortunately I could not get a piece with a smooth surface and so I must write on the heaviest paper to be found in our paper store. If you don’t know what a Paukstunde is that proves that in culture you have remained shamefully backward, but that you did not see it from the enclosed drawing proves also natural