Here are pictures of the stem. I bought one from Marina Del Rey Cycles in Venice CA right when the 50th group came out. For whatever reason, I have hung on to it ever since.
http://home.ix.netcom.com/
>Dave Anderson wrote:
>
> List Members:
> When did the Campy 50th grouppo come out,1985? Was there ever any
> accessories that went with it such as, saddles, bars, stem, rims,
toestraps,
> water-bottles or special decals? Thank you in advance.
>Chuck Schmidt answered:
> And there was an after market stem available at the
>time, a Cinelli 1R (hidden clamp) that was pantographed with the 50th
>Anni. logo on each side and a series of repeating chevrons on the top.
Dennis Stover
Arleta, CA