Finsen, NielsAutograph letter signed, one page, 5 x 7,25 inch, 5. 11. 1903*, in Danish, untranslated, to Frederik Raben Levetzau (1850 1933, Danish diplomat and foreign minister), written and signed in black ink "Niels R. Finsen", attractively mounted (removable) for display with a photograph, shows Niels Ryberg Finsen seated in a chair (altogether 11,75 x 8,25 inch), with a central horizontal letter fold and very mild signs of wear to the edges in fine to very