The $33.5m price fetched by set, which once belonged to Yves Saint Laurent, reflects Claude and Francois-Xavier Lalanne's still-growing market

Plus, Konstantin Andreevich Somov's birch trees and rhinoceros after Dürer are on sale this month

Plus, an early Western view of India and an “illuminating” Giacometti lightpost

Buyers flocked to Lalanne’s famous sheep and helped ramp prices up past the auction house's estimates

Her imaginative works inspired by flora and fauna sometimes carried a Surrealist touch