Josef Stefan, Leiter des Juwelenlabors, Schätzmeister, Goldschmiedemeister

Josef Stefan
senior appraiser, master gold- and silversmith  gemmologist, diamond diploma D. Gem. G., Scientific Gemmology Certificate - SSEF, certified expert

Tel. +43-1-515 60-203, Fax -555
Mon-Fri 8.00am - 3.00pm
E-mail: josef.stefan@dorotheum.at

Dorian Eckmann

Dorian Eckmann
Senior Manager of the Jewellery Laboratory, GIA Graduate Colored Stones Diploma, European Gemmologist FEEG, SSEF-Scientific Gemmology Certificate, diamond expert, Gemmologist WIFI-Austria

Tel. +43-1-515 60-277, Fax -555
Mon-Fri 8.00am - 3.00pm
E-Mail: dorian.eckmann@dorotheum.at

Dorian Eckmann

Alexander Spiesslechner
appraiser, gold- and silversmith, European Gemmologist FEEG, diamond expert, Gemmologist WIFI-Austria

Tel. +43-1-515 60-273, Fax -555
Mo-Fr, 8 - 15 Uhr
E-Mail: alexander.spiesslechner@dorotheum.at