Western Pennsylvania Numismatic Society
The Western Pennsylvania Numismatic Society (WPNS) first operated from 1878 to 1889 before dissolving, and was reconstituted two decades later. The early ledger books have been preserved and are presented on the Newman Portal courtesy of today's WPNS. Their website (as of 5/2016) is http://www.wpns1878.org.
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1 entries found for [year:1915]
Check List and Auction Record Prices of Encased Postage Stamps
Prepared by William F. Dunham, Chicago, and apparently distributed to other numismatic organizations.