All pictures: Kokpek, 05.V.2012; pict. O. Dochy
The first two roadsigns clearly belong to the Russian Group (found all over
the former Sovjet block, see f.e. Lithuania
or, why not, Russia
The specimen in the center is also present in Armenia
The third sign, slightly less weathered, belongs to the UK-group of signs.
Members of this group are found dispersed all over the world (e.g. Iran