35 Advertising; Business management, organization and administration; office functions; business management consultancy; business administration; business administration relating to collectibles and memorabilia, cultural assets and works of art; business research; arranging and conducting of auction sales, exhibitions (in particular auction sales and sales exhibitions) and fairs, for commercial and/or advertising purposes; retail; computerized data processing; commercial information agency services; public relations; advertising (including online advertising); rental of advertising space; auction sales and commercial brokerage services in the field of collectibles and memorabilia, cultural assets and works of art; administrative services, namely selection, description, inventory in relation to collectibles and memorabilia, cultural assets and works of art; services of import and export agencies, namely import and export, transfer of valuables as well as collectibles and memorabilia, cultural assets and works of art; organization and implementation of auction sales and exhibitions (in particular auction exhibitions, sales exhibitions) for advertising, economic or business purposes; arrangement of business relations between artists and clients.