Mexico C220Dm wmk 300 vertical, perf 11 1/2 x 11, MNH. Michel 10227C. Air Post 1960. San Louis Potosi, head. 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.