For Sale Sinaron 150mm

Sinar (Rodenstock) Sinaron S 72° 5.6/150 s/n 11001845 on Copal 0 shutter
with Calumet lens wrap, Front and back caps
No fungus or cleaning marks. Excellent condition.
$400 plus shipping.

Hi, what's the difference between this version and the one with the red line?