1981 Mongolia 15 Mongo coin pendant socialist state Genghis Khan horseman Wind Horse rider Ulaanbaatar Erdenet Darkhan Choibalsan Mörön Nalaikh Ölgii Khalkha Mongol Empire Khaganate Kalka Soyombo symbol Oirat Buryat Khamnigan Gobi Desert n002270
¥3,100
¥3,100