Orders of Saint Anna with Diamonds made by Ivan Osipov workshop /И.О/

2nd class cross from late 1870s/early 1880s time period.

Gold, diamonds, enamel.
Size 48.3×43.5 mm.
Weight 27.88 mm.

Marked with a partly readable maker's mark "И.О" for Иван Осипов/Ivan Osipov and St. Petersburg assay office gold hallmark "56+anchors".

Marks.

Iconography.

Grids.