UB5UKO

front side QSL card, of UB5UKO to IK6BAK, August 1, 1982, CW
rear side QSL card, of UB5UKO to IK6BAK, August 1, 1982, CW
letter envelope QSL card, of UB5UKO to IK6BAK, August 1, 1982, CW