[Monnaies et médailles] (1988)
“ A charge of 17 % (sales tax included) is due on silver coins and on coins in base metals and on all medals if they are delivered in Switzerland. For numismatic books the charge is only 10 %. All fees and taxes due abroad are at the buyer's charge. Orders will be executed on the usual conditions by the organizers of the auction sale at a commission of 5 % on the price realized. The good only become the property of the buyer after full payment. Every buyer is personally liable for his purchase made. He cannot claim to act for the account of a third person. ”
