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Caithness Glass Paperweights Information - World C
Caithness Glass Paperweights Collectors Society.
International Paperweight Society
A Society for those interested in collecting and studying the art of the glass paperweight.
Paperweight Collectors' Association, Inc.
PCA is a nonprofit organization of more than 1600 members worldwide. Membership includes artists, dealers, collectors, museums, and libraries. Members range from those owning one or two inexpensive paperweights to those with large and valuable collections.