Hans-Peter Keller of Christie's Switzerland carries the painting 'Lueg' from 1927 by late Swiss artist Cuno Amiet (1868-1961) during the preparation of an exhibition before Christie's auctions in Zurich December 2, 2011.
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My friend Bruno Giacometti | Christie's
Rekorderlös für Giacometti-Bild | Der Bund
Hans-Peter Keller on how to price an artwork — Swizz Art Biz
Zum Ersten, zum Zweiten … und zum Dritten! | Journal21
Im Odeon daheim | Tages-Anzeiger
Hans-Peter Keller - Retired - Retired | XING
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