[CR]Super Record derailleur dating

(Example: Events:Cirque du Cyclisme:2004)

From: "Rob Williams" <rwynw@comcast.net>
To: <classicrendezvous@bikelist.org>
Date: Thu, 13 Dec 2007 18:18:33 -0800
Subject: [CR]Super Record derailleur dating

I have just found a Super Record rear der with no pat date on the
      topside. The bolts are ti; am I right in thinking this is from 1974?
      Thanks and much merriment to one and all for the season.
      Rob Williams
      Suitably soggy in Seattle