Never heard of it, but it looks and sounds neat.
Vintage Wilhelm Hennerici (Cologne, Germany) “Bahnrad Herbert Denzer” track bike.
Only one owner.
Medium sized with 54cm center-bb-to-center-top-tube.
Campagnolo Record Pista 1st. series, Cinelli, Brooks, Fiamme, Pirelli, etc.
Original. Used in Good/OK condition. Straight and strong.
Postscript: the auction closed at $1,225.