For those of you who want to send valuables or important documents, use Valuable Dispatch. As the name suggests, it's designed exactly for such purposes. You can also exchange money at some PTT branches at the current international exchange rate. International post orders and travellers cheques can also be exchanged. An express postal service Acele Postaclass Servisi (APS) operates from Turkey to 72 other countries for letters, documents and small packages. And for the stamp collectors, you’ll be delighted by the wide range of special stamps available.