42 Art leasing services; research, advice and authentication services relating to the age, provenance, and history of works of art; art inventorying, namely, inventorying of art for security, curating and insurance purposes; consultation services in the field of art; computer services, namely, providing a database and related search engine for obtaining data on the global computer network pertaining to the field of art; consultation services in the field of art restoration; consultation services in the field of custom art framing