Diamond grading ABC. Handbook for Diamond Grading. Quality, Evaluation of Colour, Clarity, Cut and Weight with 450 illustrations and 5 tables. Diamond Imitations. - PAGEL-THEISEN Verena, G.G., F.G.A.

KORTE INHOUD

hardcover, 275 pp. Ill. and bibliography. Specialized work.
1980Taal: Engelszie alle details...

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1980Uitgever: Rubin and Son275 paginasTaal: Engels