Hello, all! I offer exchange аrtistamps. 2 sheets of A4 on 2 sheets of A4. Perforated, non-perforated or manually perforated. Various thematic content. I want to collect a small collection for the exhibition in the scientific library. About a year later. If I manage to collect the required amount of aristamps. Today, 140 artists from 26 countries of the world have given their consent to participate in the exhibition. Alexander