Burundi C137 ad block, canceled to order. Michel 698-701. Birds 1970. House martin, Sedge warbler, Fieldfare, European olden Oriole. 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 $22.00 or $24.00 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.