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89: GRETA GROSSMAN, Rare Double Shade Floor lamp (Cone and Cobra) < LAMA's 20th Anniversary, 7 October 2012 < Auctions | Los Angeles Modern Auctions (LAMA)
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336: GRETA GROSSMAN, Rare Cobra floor lamp < California Modern Art & Design, 14 October 2007 < Auctions | Los Angeles Modern Auctions (LAMA)
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