B1. Traditional Philately The Kingdom of Serbia Vladimir Milic Serbia 91 Diploma valid for Gold medal The first stamps of Croatia Mario Huzanic Switzerland 91 Diploma valid for Gold medal "The four provisionals" Damir Novakovic United Kingdom 91 Diploma valid for Gold medal Medjimurje and Prekmurje local issues Nenad Rogina Croatia 90 Diploma valid for Gold medal The philately of Serbia in 19th century from 1866. Ranko Talovic Switzerland 85 Diploma valid for Large Vermeil medal The Kingdom of Serbia 1881 - 1921 William Maddocks United States of America 83 Diploma valid for Vermeil medal B2. Postal History Gorz Post Office Marjan Malich Slovenia 85 Diploma valid for Large Vermeil medal Usages of the flood surcharge issue of the Kingdom of Damir Novakovic United Kingdom 85 Diploma valid for Large Vermeil medal the S.H.S. 1926. - 1933. The Postal system in Bosnia-Herzegovina 1878-1919 William Maddocks United States of America 83 Diploma valid for Vermeil medal Serbia in the Great War 1914. - 1918. Miodrag Mladjenovic Serbia 77 Diploma valid for Large Silver medal B3. Postal Stationeries Postal Stationery of the Kingdom of the S.H.S. and the Damir Novakovic United Kingdom 88 Diploma valid for Large Vermeil medal Kingdom of Yugoslavia 1921.-1941. B4. Aerophilately The development of international airmail in the Kingdom Ratomir Zivkovic United States of America 97 Diploma valid for Large Gold medal of Yugoslavia 1923 - 1941 Intercontinental air mail of the Kingdom of Yugoslavia Damir Novakovic United Kingdom 95 Diploma valid for Large Gold medal 1923. - 1941. a study of rutes and rates The development of Yugoslav international and Damir Novakovic United Kingdom 90 Велика златна intercontinental air mail 1945. - 1965. Yugoslav acceptances on first and special flights of Damir Novakovic United Kingdom 84 Diploma valid for Vermeil medal foreign companies outside Yugoslavia 1950. - 1965. B5. Thematic Philately The Kingdom of Romania Marius Muntean Romania 81 Diploma valid for Vermeil medal Olympic symbols Metaj Matjaž Slovenia 78 Diploma valid for Large Silver medal B6. Maximaphilia Feminine personalities Viorica Hrustovici Romania 85 Diploma valid for Large Vermeil medal My country beautiful as it is Doncho Georgiev North Macedonia 81 Diploma valid for Vermeil medal World of birds pride of the special nature reserve Zeljko Popovic Serbia 78 Diploma valid for Large Silver medal "Gornje Podunavlje" on MC B7. Revenue Revenue Stamps of the German Occupation of Serbia in Bogdan Petrovic Serbia 72 Diploma valid for Silver medal 1941 - 1944 B8. Literature Serbian Postal system in Exile 1916. - 1918. Miodrag Vukovic Serbia 91 Diploma valid for Gold medal Bulgarian Occupation of Serbia in the Great War Milan Radovanovic Serbia 90 Diploma valid for Gold medal Magazin FILATELISTA 279 Union of Philatelists of Serbia Serbia 83 Diploma valid for Vermeil medal B9. One-frame B.9.A Traditional philately Local Issue Banja Luka 1992 Boris Vlajnic BiH (Republic of Srpska) 80 The first edition of definitive stamps in Federal People's Milan Jankovic Serbia 80 Republic of Yugoslavia, year 1946. Local Issue Doboj Goran Barac BiH (Republic of Srpska) 78 Typing Errors on Republika Srpska Stamps Radenko Radanovic BiH (Republic of Srpska) 78 Protectorate of Bohemia and Moravia Rastislav Spevak Serbia 71 B.9.B Postal History Prephilately of Fiume, 1755.-1850. Ivan Martinas Croatia 91 Postmarks of the postoffice Pettau-Ptuj 1818. - 1945. Bojan Bracic Slovenia 90 Registered from Zagreb Ivan Libric Croatia 90 Serbian Telegraph Post During the Great War Milan Radovanovic Serbia 90 Italian Occupation of the NW part of the State / Kingdom Peter Suhadolc Slovenia 86 of SHS (1918-1920) Usage of the First Definitive Post-War Issue ‘Tito - Damir Novakovic United Kingdom 85 National Hero’ Military censorship marks in Ujvidek/Novi Sad during Ivan Tangl Serbia 83 the WWI Travelling Post Office Cancellations in Bosnia and Boris Vlajnic BiH (Republic of Srpska) 80 Herzegovina 1890 - 1918 Comemorative postmarks'DÉLVISSZATÉRT' during Ljudevit Vujkovic Serbia 75 occupation 1941. Cancels of Serbian post offices on Thessalonika front Spase Ilievski Северна Македонија 73 1916-1918 B.9.C Postal Stationeries SHS Postcards 1919 - 1921 Igor Pirc Slovenia 80 B.9.D Revenue Fiscal Stamps of Subotica Ljudevit Vujkovic Serbia 70 B.9.E Picture Postcards Orebic Between the First and Second World War Ugljesa Stefanovic Serbia 83 B10. Modern Philately Inflation Period in Yugoslavia 1989-1994: Impact on Vladimir Milic Serbia 90 Diploma valid for Gold medal Postal Rates Yugoslav Definitive Stamps Since 1986. Svetislav D. Jelic Serbia 85 Diploma valid for Large Vermeil medal B11. Picture Postcards Serbian national identity 1900 - 1918 Nebojsa Pancic Serbia 90 Diploma valid for Gold medal B12. Youth class Class “A”: 10 - 15 years Mountain flowers Maria - Sara Muntean Romania 80 Diploma valid for Vermeil medal Continental rubberized material at the dawn of aviation Ana- Aurora Muntean Romania 71 Diploma valid for Silver medal Birds Emil Ceman Serbia 70 Diploma valid for Silver medal Railway Development Through History Bojan Savicic Serbia 65 Diploma valid for Silver Bronze Pets Tina Djurovka Serbia 61 Diploma valid for Silver Bronze Class “B”: 16 - 18 years The magic world of colours Masa Lipovac Croatia 81 Diploma valid for Vermeil medal Croatian Olympic Medals Luka Libric Croatia 80 Diploma valid for Vermeil medal Birds of the World Ema Turanova Serbia 70 Diploma valid for Silver medal My play of colors Andrea Semenovic Serbia 61 Diploma valid for Silver Bronze .