About the manufacturer https://asiamedals.info/threads/j-o...na-ferdinanda-olsoniusa-firma-gracheva.25746/
First Class, Third Grade breast star of 1st type.
Circa 1882-1899.
Silver, gold, enamel.
Size 75 mm.
Weight 58.86 g.
Chinese made central medallion.
Marked with St. Petersburg assay office silver mark "84", "Grachev/Грачёв" and maker's mark "O.J" for Jogan Olsonius.
Case.
First Class, Third Grade breast star of 1st type.
Circa 1882-1899.
Silver, gold, enamel.
Size 75 mm.
Weight 58.86 g.
Chinese made central medallion.
Marked with St. Petersburg assay office silver mark "84", "Grachev/Грачёв" and maker's mark "O.J" for Jogan Olsonius.
Case.