I have one of these on my '60 Cinelli SC. "CAMPAGNOLO" in an oval as you state with small "MODEL" underneath. Purpose of the narrow rails was that it gave you a huge range of adjustment fore and aft. There was no seat post clamp from Brooks to mount the saddle to a plain seat pin.
Chuck Schmidt South Pasadena, California http://www.velo-retro.com (NEW list of reprints and T-shirts)
Harvey M Sachs wrote:
>
> There is a special Campagnolo narrow head. I believe I saw parts for them
> in Larry Black's secret stash <abikie@aol.com>, but could be wrong.
>
> I have this set-up on my 61 Paramount, but suspect it is not original. The
> Brooks saddle seems to be a B-17, but hard to read. As with Lawrence's,
> the top is stamped "CAMPAGNOLO" in all caps, in an oval. On mine, the
> centerlines of the the rails are about 29mm apart, which sounds consistent
> with Lawrence's measurement.
>
> harvey sachs
> mclean va
>
> At 12:10 1/9/2001 -0500, Lawrence Kurtz wrote:
> >Does anybody have a seatpost or collar for sale with a narrow clamp
> >diameter. As per my previous messages, I have a Brooks saddle
> >(currently being recovered...thanks to all for the info) with rails that
> >are much narrower than normal, 32mm as opposed to 42mm. The post is
> >just shy of 27mm, but I'll measure it more precisely if it looks like
> >there is a match. Say, while we're on this topic, does anybody have any
> >historical info on the saddle. It says B17 competition standard on the
> >sides and has campagnolo stamped on the top. The small rivets were
> >nickel plated over copper.