Clockwork orange.

[brocklanders023]

Re:

Also, I've only seen 'Tange' decals on the forks on the very early bikes.

 

[Silvergoat]

Re:

Is the format of the frame numbering usual?

 

[brocklanders023]

Re:

No, usually start with a 'A' as you mentioned.

 

[Silvergoat]

Re:

Very intriguing...