Jade vases. Faberge?

We offer to your attention an interesting subject.
Two identical vases of dark green jade, incredibly saturated color with black inclusions, polished to a Shine and topped with a silver finish. Silver ring pokryto gilt, inside of which are hallmarks 84 trial , “KF” and the head of the St. Petersburg assay office. The height of each 12.5 inches, weight 185 gram. Price on request.