SARAJEVO (Bosnia and Herzegovina), April 29 (SeeNews) â Poste Srpske [BANJ:POST-R-A], the postal services operator of Bosniaâs Serb Republic entity, said on Wednesday its net loss increased to 1.7 million marka ($928,266/855,889 euro) in the first quarter of 2020, from 927,388 marka a year earlier.