UB5PBX

front side QSL card, of UB5PBX to IK6BAK, October 27, 1983, CW
rear side QSL card, of UB5PBX to IK6BAK, October 27, 1983, CW
letter envelope QSL card, of UB5PBX to IK6BAK, October 27, 1983, CW