This Fabergé cabochon sapphire, diamond, guillouche enamel, silver and yellow gold pendant locket carries an estimate of $7000-9000 at Alameda, California, auction house Michaans on September 8. It carries marks for the Finnish-born gold worker August Hollming, who was hired as a workmaster by Fabergé soon after opening a workshop at 35 Kazanskaya Street, St Petersburg, in 1880.