Public auction #52 Western Balkans incl. Serbia, Croatia, Slovenia, Montenegro, Bosnia, Yugoslavia etc.

1866. BEÈKA 20 p SA VEOMA RETKOM UPOTREBOM POŠTANSKOG ŽIGA (BEOGRAD): u plavoj boji, za ove marke obaveza je bila da se stavlja žig naplaæeno a ne poštanski žig, retka upotreba.
1866 VIENNESE 20 p WITH VERY RARE USE OF POSTAL CANCEL (BELGRADE) in blue, for those stamps it was obligatory to use naplaceno (postage paid) cancel and not postal cancel, rare use.