The "Ardatov type" stamp is the philatelic name for the fifth design type used by the EZGB for issuing zemstvo postage stamps from 1902. According to published sources, the name was assigned after Ardatov Uyezd, for whose stamp printing it was used for the first time.
January 1, 1871 β the Kadnikov Zemstvo Post was opened.
From 1903, all subsequent issues of zemstvo postage stamps were produced in Saint Petersburg at the Expedition for the Preparation of State Papers.