Garvin and Micky,
I couldnt agree more. The real value of this gun is in the significance of its early serial number, and the fact that it was produced by George Lincoln Jeffries, in a model/type that influenced airgun design for decades afterwards.
All of that might appeal more to really serious BSA collectors who might appreciate the significance of the rifle.
Most people, just wanting a "pre-war BSA underlever might want to hold out for one in slightly better condition, and maybe a representative model of the massively more common BSA Improved Model D.
H The Lincoln Air Rifles, are special to me and provide an actual link back to GLJ himself, which is priceless.
Valuing something like this is akin to trying to find an answer to "How long is a piece of string", no-one is right or wrong - its just opinions at the end of the day.....
Lakey