NAJA SCHEDULES EASTERN CONFERENCE The National Association of Jewelry Appraisers will hold its fourth annual East Coast Conference Sept. 17-21 in the Holiday Inn-O'Hare International, Chicago, Ill. The conference will be structured to relate to the appraisal industry in general - from novice to knowledgeable gemologist, professional appraiser, jewelry store employee and private collector. Seminars on the first day will be "General Appraisal Principles Relating to Fair Market Value," "Pertinent Fair Market Value-Related Tax Court Decisions" and "How to Write and Value Fair Market Value Narrative Appraisal Reports for Estate, Casualty/Theft Loss, Donation and Gift Purposes." Presenters will be David S. Atlas of D. Atlas & Co., Philadelphia, Pa.; James V. Jolliff, executive director of NAJA and owner of JEI Gemological Laboratory, Annapolis, Md.; and Joseph W. Tenhagen of J.W. Ten