1992 Chechnya First Chechen Republic issue

1992 The first First Chechen Republic issue, no perf., MNG as issued.

More about this local issue:

https://philatelie.ru/3652/marki-shou-ili-suveniry-dlya-dudaeva.html (in Russian)
https://forum.philatelie.ru/topic2366.html (in Russian)
https://www.stampcommunity.org/topic.asp?TOPIC_ID=49064