because philately is one of my hobbies (Judica in Russian philately is one of
the topics I collect) I have to answer the question.
from November 1, 2000 international airmail (beside CIS) isup to 20g - 14 Rubles (about $0.5),
up to 100g - 37.60 Rubles,
up to 250g - 81.60 Rubles,
for registered mail add 18 Rubles,