HK6KKK

front side QSL card, of HK6KKK to IK6BAK, April 24, 1999, CW
rear side QSL card, of HK6KKK to IK6BAK, April 24, 1999, CW
letter envelope QSL card, of HK6KKK to IK6BAK, April 24, 1999, CW