Hi
@Dansctbass
Thanks for that (-:
Just as well I said there were some rarer 1944 ones with the features mentioned - this is one of those.
The serial number is M14199A, L1, with an M4 dated Morrow.
L1 says the frame was made in January 1944, as one of the last G519's to be built. M14199A means it was built up into a bike February 1944 (there are some lower serial numbered Compax's with February frame dates).
M4 is a Morrow from October to December 1943, and is appropriate for a bike of this date, (they would be made a little before the bike was) so it is possible it is the original one to the bike.
@blackcat has restored the closest known serial number to this, MG14197A, only a couple of serial numbers different, and found in France. Here's the details:
I started the restoration of my G519 COLUMBIA MG 14197A found in December 2004 in Normandy. Disassembly was relatively easy, on the other hand very big work on the rear part of the frame which underwent the assaults of time. Found in Normandy 2 years ago a pair of fendres WESTFIELD, redo the...
thecabe.com
I hope this helps, feel free to ask further questions.
Best Regards,
Adrian