[CR]Dating an N. Record RD with no date stamp?

(Example: Framebuilding)

From: "mitch harris" <mitch_harris789@msn.com>
To: classicrendezvous@bikelist.org
Date: Fri, 18 Jul 2003 16:14:09 -0600
Subject: [CR]Dating an N. Record RD with no date stamp?

What years were N. Record read deraillures not stamped with year numerals near the cable stop?

Thanks,
Mitch Harris
Utah Co., UT