Meet the Authors
Niklewicz GG,FGA,ISA-CAPP,ASA William
Matula GG, ASA
an article on "What you need to know about jewelry hallmarks"
Gemological Institute of America has recorded an interview with HRI that has resulted on a series of instructional videos regarding hallmarking. Currently, these videos are available for viewing at the GIA Carlsbad Campus Library. You do not need to be a student to view them.