I've bought several from this guy, used but all came "as new". He usually has some spectaculary colourful (awful) designs for sale.
http://www.ebay.co.uk/itm/VTG-SIBIL...69?pt=UK_Cycling_Clothing&hash=item2573548375
My favourite
http://www.ebay.co.uk/itm/VTG-SIBIL...69?pt=UK_Cycling_Clothing&hash=item2573548375
My favourite