SARAJEVO (Bosnia and Herzegovina), February 7Â (SeeNews) -Â A 17.5% stake in Bosnia's Nasa Banka (former Pavlovic International Bank) [BANJ:PIBB] has changed hands for 1.76 million marka ($990,000/900,000 euro) in a block transaction on the Banja Luka Stock Exchange (BLSE), bourse data showed.