UB5BDC

front side QSL card, of UB5BDC to IK6BAK, October 17, 1984, CW
rear side QSL card, of UB5BDC to IK6BAK, October 17, 1984, CW
letter envelope QSL card, of UB5BDC to IK6BAK, October 17, 1984, CW