Armenian post of Nagorno-Karabakh
Date of Issue: 30th March 2018
two stamps (350.- & 450.- AMD)
those two stamps are issued in mini-sheets of 10 stamps
those two stamps are issued in a mini-sheet of 8 stamps (4 of each) + 2 vignettes
NOTE : the stamps issued by the Republic of Artsakh aren't recognized on an international level, not by the UPU nor by PostEurop.
Those stamps are listed in most stamps catalogues (Gibbons, Yvert & Tellier, Michel) and most Europa stamps collectors collect those stamps even if they aren't official stamp issues.