- X
- F. X
. Salda 1867-1937 [Známka 919] [Stamp 919]
- BIB '85 X
. [Aršik 2709] [Souvenir Sheet 2709]
- 100th Anniversary of the X
-Ray [Známka 94] [Stamp 94]
- XXX
- Games of the XXX
Olympiad [Známka 726] [Stamp 726]
- XXX
Olympic Games London 2012 [Kupon 726] [Coupon 726]
- XXX
Olympic Games London 2012 [Aršik 726] [Souvenir Sheet 726]
