cover 40pa. mauve (perf. 12x9½) horizontally bisected and affixed to large part 1869 entire to Belgrade, well tied by ornamental "POZAREVACKA" c.d.s. (2 Nov.) and with framed "NAPLACENO" h.s. adjacent; very light soiling which does not detract from this extremely rare "reverse perforation" bisect cover. M.17IDH. Photo in colour