OK, it´s lithuanian ...
This kind of frog is quite "exotic" here in Austria and I saw it a couple of day´s the first time, actually.
There´re also lithuanian "camo"-frogs, I´ve been told.
In Lithuania there´re the soviet bayo´s M1959/2 and AK74 (M 1989/6X5), in use.
Cheers,
R.