Lot no. 6191

"15 Sk" Postage due charge mark on clean unpaid folded letter to Stockholm 1856 without contents. Manuscript notation Hamburg 19 july 1856 on inside and transit "K.D.O.P.A Hamburg 19.7 3-4" as well as "*K.S.&N.P.A.* Hamburg 20.7 1856" on reverse.