Found some more pictures in the Dutch archives, had not seen these before! you can see, the higher the LSK number, the newer the bike.




They used Nortons with sidecar too!






A BSA and a Hardley.

Hope this helps,

Lex

email (option): welbike@welb***.net

Amazing information, thank you so much. I assume there's no way to see if it's still around?

email (option): Oliverbrooke@hotmail.co.uk

Aluminium cylinder head on the plunger model so 1951 or later....Ian

email (option): ian@wright52.plus.com