IK4JOK

front side QSL card, of IK4JOK to IK6JOV, December 21, 1988, CW
rear side QSL card, of IK4JOK to IK6JOV, December 21, 1988, CW
letter envelope QSL card, of IK4JOK to IK6JOV, December 21, 1988, CW