UB5PBX

front side QSL card, of UB5PBX to IK6BAK, July 22, 1983, CW
rear side QSL card, of UB5PBX to IK6BAK, July 22, 1983, CW
letter envelope QSL card, of UB5PBX to IK6BAK, July 22, 1983, CW