Update, 8 July 2015:
Apparently, it would have been a folly to pay that amount for this Follis, because it’s now available at a starting bid of $700.
Original post from 25 June 2015:
Could be gas pipe or Reynolds 531 beneath that tired paint; seller doesn’t say.
Wheel Size: 650b
Frame Size: 56cm Country of Manufacture: France
Vintage french bike Follis from Lyon Oullins.
From barn, in good condition but have to be checked.
Postscript: the bike sold for $1,200 (via Buy It Now).