Providing professional services to clients relating to insurance, donation, taxation, litigation, distribution, purchase, sale and cataloging of a wide variety of art and antiques, namely, providing professional opinions of value in the nature of personal property appraisal and valuation, consulting, namely, analysis of fiscal valuation, market analysis and marketing advice, conducting financial feasibility studies, collection management in the nature of art brokerage, financial appraisal and valuation of art and antiques, consulting, namely, innovative problem solving, in relation to the aforementioned services, said clients including museums, corporations, law firms, banks, insurance companies, moving companies, fiduciaries, heirs, and individual collectors, and said antiques including furniture, ceramics, textiles, silver, carpets, maps, timepieces, and other objects made in North America, Europe, Russia, the Middle East, Africa, Asia, Australia and Polynesia, dating from 1000 B.C. to 1970 A.D., said art including paintings, drawings, artist prints, artist books, photography and sculpture from all continents and periods, and said art also including marine art, illustration art, and New England art