[CR]On Campy cranks, what does "11" in a Square mean?

(Example: Framebuilders:Chris Pauley)

From: <Bikerdaver@aol.com>
Date: Mon, 12 Aug 2002 20:51:37 EDT
To: classicrendezvous@bikelist.org
Subject: [CR]On Campy cranks, what does "11" in a Square mean?

Hello List, Many folks where kind enough to answer my earlier query about the 11 in a Circle on the back of Campy NR/SR cranks, and I appreciate those efforts. Quizikly, what does it mean when there is an "11" in a Square? Thanks again,
Cheers,
Dave Anderson
Cut Bank MT