Denmark. Prephilately. Letter dated "Copenhagen le 23 Sept. 1865" sent to France. Cancellations KIØBENHAVN K B 23.9, DÄNEMARK R.2, LÜBECK ST. P.A. 24.9, LUEBECK TH.&T. 24.9, TOUR-T FORBACH 26.SEPT.65, PARIS 26.SEPT.62, BORDEAUX A IRUN 27.SEPT.65, MUGRON 27.SEPT.65, TT36 and postage due mark 9.