The "Ardatov-type" stamp is a philatelic name for the fifth design type used by EZGB for the issue of Zemstvo postage stamps from 1902. According to the literature, the name was assigned after Ardatovsky Uyezd, whose stamps were the first to be printed using this type. 4th issue.
March 1, 1903 — the Zemstvo post of Poltava Uyezd (Poltava Governorate) was opened. Mail was dispatched twice a week from the uyezd center, the city of Poltava, to 17 volosts of the uyezd. For payment of private correspondence, Zemstvo postage stamps were used: ordinary letters were paid with 3-kopeck stamps, and registered letters with 6 kopecks. They are very diverse in printing method and purpose (official, for ordinary and registered wrappers, money correspondence, etc.).
In 1908, commemorative stamps were issued for the 200th anniversary of the Battle of Poltava.
Many issues depict the uyezd coat of arms. The stamps were printed in private printing houses, and from 1905 at EZGB.
Imperforate stamps are of unofficial origin and were intended for collectors. The stamps were cancelled with circular, oval, and rectangular handstamps.