Fork identification
 

Got this fork included with a soviet track frame and some other old parts i bought. Columbus fork ends, columbus tubing with helical ridges inside steerer. Has B engravings.
https://cimg3.ibsrv.net/gimg/bikefor...9d7e94208a.jpg
https://cimg5.ibsrv.net/gimg/bikefor...d08309b8c4.jpg
https://cimg6.ibsrv.net/gimg/bikefor...8a7f3e8e1e.jpg
https://cimg7.ibsrv.net/gimg/bikefor...7a8b1f2582.jpg

It's from a later 80's Bottecchia....

+1, it's a Bottecchia fork. The timeframe could extend into the early 1990s. During this era, MS, TSX, SLX, SL and even Cromor all used the the same gauge blades.