A RUSSIAN GOLD, SAPPHIRE AND DIAMOND BROOCH, WORKMASTER KONSTANTIN LINKE, RETAILED BY BOLIN, ST. PETERSBURG, 1890-1908 formed as two intertwined snakes centered around a faceted sapphire with four diamonds at the corners, in fitted retailer's box with imperial eagle stamped on cover, 56 standard, town marks, workmaster's mark K.L in Latin for Konstantine Linke, all marked on loop and hook; width: 2.2 cm (7/8 in.), weight: 6.9g LITERATURE For a similar brooch, see W.A. Bolin in Russia. Court Jeweller. Late XIX-Early XX centuries, pp. 167. Edited by Christian Bolin and Pavel Bulatov. CONDITION Observed with a loupe, the brooch appears in very good original condition. No apparent issues visible to the naked eye, with significant issues to report. N.B. All lots are sold in as-is condition at the time of sale. Please note that any condition statement regarding works of art is given as a courtesy to our clients in order to assist them in assessing the condition. The report is a genuine opinion held by Shapiro Auctions and should not be treated as a statement of fact. The absence of a condition report or a photograph does not preclude the absence of defects or restoration, nor does a reference to particular defects imply the absence of any others. Shapiro Auctions, LLC., including its consultants and agents, shall have no responsibility for any error or omission.