S57XX is not handling QSL cards for S50HQ anymore !
S50HQ QSL requests received via the bureau will receive a return card via the QSL bureau by Miloš, S54G. If you wish to exchange QSL card direct please use S54G's http://www.qrz.com address. Cards with insufficient postage or no return envelope will be returned via the QSL bureau. S50HQ 2009 log is also uploaded on Logbook of The World - LoTW. Feel free to match your log for digital certification.