IK4DKO

front side QSL card, of IK4DKO to IK6JOV, July 9, 1989, CW
rear side QSL card, of IK4DKO to IK6JOV, July 9, 1989, CW
letter envelope QSL card, of IK4DKO to IK6JOV, July 9, 1989, CW