42 Providing a website featuring technology for use in valuation, promotion and authentication of used and pre-owned jewelry, bags, clothing, footwear, and headgear; providing a website featuring technology that allows consumers to determine the retail and resale values of used and pre-owned jewelry, bags, clothing, footwear, and headgear; providing temporary use of on-line non-downloadable software for database management in the field of buying, selling, pricing, valuing, promoting and authenticating used and pre-owned jewelry, bags, clothing, footwear, and headgear; providing an authentication service, namely, authenticating used and pre-owned jewelry, bags, clothing, footwear, and headgear