Martin ?

I don't really know what this is. There was no label inside or serial number that I could find only the Martin logo on the headstock. It looks very similar to the Martin OMC 28 B except for the roundness of the headstock.
 
I replaced the tuners with a set of open backed Grover Tuners. I cut and installed a new bone nut and saddle. I conditioned the rosewood fretboard, leveled, crowned and dressed the frets so that she now plays and sounds like it should.
 
Do I have any offers?