Frame Serial Number?

I need to get the frame serial number for my bike insurance but there are 2 numbers on the BB shell. On runs along the edge of it length ways and is about 10 characters long the other goes acros and is about 5 characters long.
Which one will it be?? (what a newb question, not that I am)
Which one will it be?? (what a newb question, not that I am)
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Alternatively, you could also take a picture of the BB shell, showing both of them.
My Whyte is F001E0001 which I think would be very cool - if anybody could see it.
Whyte 19 steel '10
Now I can FINALLY be allowed in that "whyte owner's" thread, properly
You know you and your Marins are always welcome in the Whyte thread. There's plenty of room
Whyte 19 steel '10