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Tag Archives: Identification
Ivory Identification – A Photographic Reference Guide
William R. Mann “Bobby”, is a Graduate Gemologist, GG (GIA) (1982) and a Professional Gemologist, PG (Columbia School of Gemology (1983). Bobby provided a fun-filled evening with a power point presentation of his Ivory Identification – A Photographic Reference Guide. … Continue reading
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Tagged Elephant, Hippo, Identification, Ivory, Mammoth, Mann, Sperm Whale, Walrus
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Name that Material – Bobby Mann
William R. Mann “Bobby”, is a Graduate Gemologist, GG (GIA) (1982) and a Professional Gemologist, PG (Columbia School of Gemology (1983). A collector of unusual Ivories, Bobby provided a fun-filled evening with 150 Mystery materials used in jewelry making. The … Continue reading
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