Badge of the Order of St. Nina 4th grade - Badge of the Society for the restoration of Christianity in the Caucasus 4th grade (Знак Общества восстановления христианства на Кавказе, 4-й степени). Introduced in 1860. St. Petersburg, 1860-1870. Unknown workshop. Hallmark on the ear: 84 and unreadable producer's mark. Silver 11.79 g, 47.4 x 43.2 mm. Patrikeev, Bojnovich 1#15.1.г. Very scarce - RR. Minor scratches, but otherwise well preserved.