UB4UWN

front side QSL card, of UB4UWN to IK6BAK, November 21, 1984, CW
rear side QSL card, of UB4UWN to IK6BAK, November 21, 1984, CW
letter envelope QSL card, of UB4UWN to IK6BAK, November 21, 1984, CW