A sapphire and diamond pendant brooch

A sapphire and diamond pendant brooch
by Fabergé, indistinct workmaster's mark probably of Henrik Wigström, St. Petersburg, 1908-1917
Openwork, with central and pendant sapphires, the symmetrical bell-flower, formed by graduated diamond-set mounts, with detachable diamond-set suspension loop and brooch fittings, marked on pin-guard
1 7/8 in. (4.7 cm.) high including suspension loop;