[CR]Brooks I've not seen before

(Example: Books)

Date: Sun, 2 Dec 2001 19:48:48 -0500
To: classic list <Classicrendezvous@bikelist.org>
From: "Roy H. Drinkwater" <roydrink@mac.com>
Subject: [CR]Brooks I've not seen before

I've spotted a Brooks saddle I haven't seen before on ebay:

http://ebay.com/<blah>

It looks like a B17 top with a narrowed B72 two rail, loop spring frame. What model is this, and when was it made?

Roy "sorry it's not honey" Drinkwater Lititz "back to winter weather", PA