From over KUBUB, very scarce cancellation on cover with 10 penny imperial yacht from left margin of sheet, properly franking on cover to Berlin, after at the 13. October 1906 the post office Kubub to from mislaid became, resulted 7 days long to to the 19.10.06 the existing very scarce and real devaluation type: violet single line cancel "from" over black town cancel from Kubub, reverse arrival postmark from 12.11.06, address partly removed and cover blotched, only a few entire pieces are known, photo expertize Ronald F. Steuer BPP (2025)