impact:

uspcs.org

The U.S. Philatelic Classics Society (USPCS) is a society dedicated to the study of United States postal issues and postal history from the Stampless era up to 1893 - i.e. before the Bureau Issues. The society evolved from the Three Cent 1851-57 Unit of the American Philatelic Society. Its founding members include such famous philatelists as Dr. Carroll Chase, Stanley Bryan Ashbrook, and Leo J. Shaughnessy. The society holds annual meetings. The society publishes its journal The Chronicle of the U.S. Classic Postal on a quarterly basis. The society also publishes a bulletin entitled Chairman’s Chatter. More information...

According to PR-model, uspcs.org is ranked 237,258th in multilingual Wikipedia, in particular this website is ranked 130,372nd in English Wikipedia.

The website is placed before thesnakefruit.com and after talesofoldchina.com in the BestRef global ranking of the most important sources of Wikipedia.

#Language
PR-model F-model AR-model
237,258th place
202,297th place
187,199th place
130,372nd place
85,538th place
92,999th place
229,795th place
280,129th place
280,962nd place
292,638th place
215,987th place
226,142nd place
csCzech
59,764th place
58,065th place
55,152nd place
80,998th place
73,455th place
14,501st place
20,278th place
18,352nd place
24,543rd place