Re:
Hey Rogier.
Are you sure there isn't a letter before the number? Maclean used letters pre-war and post war the letter K and then serial number.
Saw your find on FB. Got waylaid with some BMXs at the moment but will get back to this as soon as i can.
Murray Maclean was quite exited when i emailed him pictures and details.
I have since found out that my friends uncle bought it new and gave it to his father around 47. His father gave it a few updates and rode it up until early the 80s.
The Flying Scot i sold to Rab who has written books on Ratrays and Scots. A worthy home. Theres a thread, 56 Flying Scot on here too.
Simon.