"Kaolin Content in the Paper Used by the Bureau of Engraving and Printing to Produce 1¢ and 2¢ Stamps" is an Article of Distinction from the United States Stamp Society, an APS affiliate.
This article by Harry G. Brittain, PhD, FAAPS, FRSC, first appeared in the February 2019 issue of The United States Specialist.Search here for more affiliates and clubs!
APS clubs and affiliates are welcome to send their submissions for Articles of Distinction.
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Harry G Brittain
Harry Brittain is a member of the United States Stamp Society
View More by Harry G Brittain
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