Russia 3018 two stamps, MNH. Michel 3037. Flags of USSR and Poland 1965. 20th Ann. of the signing of the Polish-Soviet treaty of friendship, mutual assistance and postwar cooperation, 1965. $0.05 shipping for each additional eligible item you buy . For domestic purchases up to $60.00 first class mail will be used; purchases above $60.00 require mail with tracking number or insured mail (buyer pays the mail fee). For international purchases up to $60.00 first class international airmail will be used; purchases over $60.00 require mail with tracking number (registered mail, buyer pays the $19.00 or $20.00 for oversize item). Warning for the buyers from Eastern European countries, Russia, China, Middle East, South Asia, Latin America, Africa exclude RSA: the purchases over $30.00 require expedited mail.