Address:	San Francisco, CA
Country:	USA
Website:	www.hallmarkresearch.org
Books by this publisher:	World Hallmarks

The Hallmark Research Institute (HRI) was founded by William Whetstone, Danusia Niklewicz, and Lindy Matula as a means to further the understanding about world hallmarks through lectures and their new publication "World Hallmarks - Vol.I - Europe, 19th to 21 st Centuries". Currently, HRI is working on Vol. II - covering Asia, Middle East, Africa, Australia and the Americas.