I think you need something like this: http://www.google.it/imgres?um=1&hl=it&authuser=0&biw=1137&bih=554&tbm=isch&tbnid=QCrhtu4KJuFodM:&imgrefurl=http://www.retrobike.co.uk/forum/viewtopic.php%3Ft%3D105230&docid=Al7gvX4G7gFz5M&imgurl=http://redrumfilm.com/cykelbilleder/Colnago%252520Master%252520Krono%252520built%252520800x600.jpg&w=800&h=554&ei=RmDPT4CFBcPNsgaSyenhCg&zoom=1&iact=hc&vpx=823&vpy=3&dur=359&hovh=186&hovw=270&tx=129&ty=62&sig=111446888147187646610&page=2&tbnh=161&tbnw=210&start=19&ndsp=15&ved=1t:429,r:4,s:19,i:119 Not so easy to find though...
I think you need something like this:
http://www.google.it/imgres?um=1&hl=it&authuser=0&biw=1137&bih=554&tbm=isch&tbnid=QCrhtu4KJuFodM:&imgrefurl=http://www.retrobike.co.uk/forum/viewtopic.php%3Ft%3D105230&docid=Al7gvX4G7gFz5M&imgurl=http://redrumfilm.com/cykelbilleder/Colnago%252520Master%252520Krono%252520built%252520800x600.jpg&w=800&h=554&ei=RmDPT4CFBcPNsgaSyenhCg&zoom=1&iact=hc&vpx=823&vpy=3&dur=359&hovh=186&hovw=270&tx=129&ty=62&sig=111446888147187646610&page=2&tbnh=161&tbnw=210&start=19&ndsp=15&ved=1t:429,r:4,s:19,i:119
Not so easy to find though...
http://www.ebay.co.uk/itm/Vintage-San-Marco-Concor-Supercorsa-Confort-Italian-leather-saddle-/261040926786?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item3cc7407042
@mattyc started
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http://www.ebay.co.uk/itm/Vintage-San-Marco-Concor-Supercorsa-Confort-Italian-leather-saddle-/261040926786?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item3cc7407042