Unknown Archtop in Nashville - please help identify thiks model

The seller doesn't know what type of guitar this is and neither do I.  Take a look and see what you think.  It appears to be bound on both the neck and body I (but not the F-holes).  I can't tell if that tigerstripe finish on the rear is real or fake - most likely fake since it recurs on the sides as well.  I'd guess this might be a Kay built guitar but that serial number reeks of Harmony (especially the H in the middle and the S on the end).

Those serial numbers don't seem to match any of the known models on the Harmony Demont site.

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http://nashville.craigslist.org/msg/3746879570.html

Vintage Guitar

I know nothing about this guitar besides what you can see in the pictures.

I was hoping someone could tell me a little about it and/or make me an offer.

• Location: Nashville