I've never seen one of these before. Sorry if I'm revealing anyone's secret, but I thought it might make for some interesting information from those who know it.
I'm not related to the seller in any way. Here's the link:
I bought a repainted Frejus track frame last night. I'm sure I'll be asking questions about the manufacture date once I get it. Here's the link to the Frejus:
Greg Pitman
Rancho Cucamonga, CA