MMXV MMXV – private collection MCMXCI Daria She MM MMIII MCMXCVI MMXVI MMIV MCMXCIII MCMXCIII MMXV MCMXCII MMXIV – private collection in USA MCMLXXXVII MMXV MCMXCI MCMXCI MMXIV MMXV MMIII – private colection MCMXCI MMIV – collection of prof. Sv. Rusev MCMXCVIII MMXV MCMXCIX MMIII MCMXC MCMLXXXVIII
