Lot no. 1318

10 kr. blue used with cds. “OSLEK-ESSEK 20 12 72” on reverse of 5 kr. red registered postal stationery envelope with “PREPORUCENO Recommandirt”, reverse arrival cds. “VINKOVCE 21 12 72”, later endorsed “Retour Oslek” and returned to sender with final arrival cds. , some minor toning on reverse, still fine and attractive usage