Letters received without payment of cost of returning - the answer will be through a bureau.
At payment by stamps of Kazakhstan their cost should be - 250 tenges.

Attention!

I can exchange foreign currency only in bank.

But in bank do not accept dirty and shabby denominations

On mail do not accept IRC without a seal of mail of the country of departure.

Be attentive! At impossibility to use your payment - the answer through a bureau.