Advertising, marketing and publicity services; organization of exhibitions and trade fairs for commercial or advertising purposes; office functions; advisory services for business management; business accounts management; import-export agencies; business efficiency experts; auction and reverse auction services; the bringing together, for the benefit of others, of a variety of goods, namely, precious metals and their alloys and goods in precious metals or coated therewith, jewellery, precious stones, horological and chronometric instruments (excluding the transport thereof), enabling customers to conveniently view and purchase those goods from wholesale outlets, retail outlets and from a general merchandise catalogue by mail order or by means of telecommunications