375rd Heinrich Köhler auction - Day 1

1869, Original letter of explanation from the General Post Directorate in Copenhagen to the post office at Aarhus about an express letter which was presented to the post office carrying a 4 sk. adhesive in the top of the right corner and in the bottom left corner a number of adhesives corresponding to the express fee, for which the sender was asked to pay an additional 2 sk. for unpaid letter rate. The General Post Directorate answers detailed, that this action was completely in accordance with the present regulations. A very interesting original document