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Are there restrictions on particular materials?

International Buyers · Revised 3 August 2026

VALÉORINE editorial artwork: long ivory bands sweeping diagonally through darkness

Yes. Bindings incorporating protected animal materials such as ivory or tortoiseshell, and certain photographic processes involving controlled substances, are subject to specific regimes. Where such a restriction applies it is stated in the catalogue and its practical effect is explained before bidding opens.

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