[1] Their designs typically feature imagery emblematic of the station's associated city or surrounding area, such as landmarks, mascots, or locally produced goods.
[2] Eki stamps have existed since at least 1931, the first having been installed at a station in Fukui City.
[3][4] Shortly thereafter, eki stamps were installed at major stations throughout Japan.
In recent years, eki stamps have also spread outside to Japan to places such as Taiwan[citation needed] and Indonesia.
While not technically eki stamps (as eki in Japanese means "[train] station"), similar stamps can also be found at other passenger points of boarding, such as airports, ports, visitor information and tourist centers, roadside stations, and highway service areas.