Joined: Jan 2010
Posts: 9,815
Likes: 1,790
From: Northern California
Bikes: Cheltenham-Pedersen racer, Boulder F/S Paris-Roubaix, Varsity racer, '52 Christophe, '62 Continental, '92 Merckx, '75 Limongi, '76 Presto, '72 Gitane SC, '71 Schwinn SS, etc.
I think it may be a Titan (steel) stem, which would have been OEM on certain older Paramounts from the early 60's or so.