Sold A Martin Yesterday

[ProfessorGAC]

10. If In Good Condition...

...it looks like $7-8k retail. In this condition, probably $5k. But, the restorer will likely do a neck reset which is customary for a well-played guitar this old. Those folks work there, so it's a sunk cost, but they'll claim $600.
They'll ask $5,500, and a collector offer $5,000. They make at 42% margin but take all the risk.
In excellent condition, the guitar would fetch well into 5 figures retail.