Does anybody knows what guitar is Bob Dylan holding on this photo?

[DavidRAZ]

 

[mc5nrg]

My vote is some sort of Larson Brothers product, sold under various name brands.

 

[zztomato]

My vote is some sort of Larson Brothers product, sold under various name brands.

IIRC, Larson's had a 10th fret marker, not a 9th. They were weird that way.

 

[LBXPDX]

Prairie State Jumbo ala Larson.

Here are "New" ones

http://www.arkneweraguitars.com/3.html