BANJA LUKA (Bosnia and Herzegovina), July 12 (SeeNews) – The postal operator of Bosnia's Serb Republic, Poste Srpske [BANJ:POST-R-A], said on Thursday it will hold auctions on August 20 to try to sell nine business and residential facilities with an initial price totalling 7.03 million marka ($4.4 million/3.6 million euro).