/5 fenders mount differently from /6 I think the lower mount is the same or similar, but the fork brace is different, so the mounting holes are in different places. I've got a brace and a black /5 fender I'd send you for $40 plus shipping. The catch is that the fender has an easily repaired crack at the top mounting point. I can e-mail you some pics if you're interested.
I wouldn't bring her home to Mama, but Mama ain't home tonight.