Vintage National and Dobro guitars, ukuleles and mandolins. Welcome to ...[^2^]

I know that older Dobro serial numbers are a bit of a can of worms to find anything out about them. I happen to own a 1932 and a 1980 OMI Duolian. Most traditional dobros were spider bridge and had 12 frets but they did make a few biscuits and 14 fretters. Also most dobros were woodies but again, they built a few metal bodies. We tend to thing of National and NRP as the manufacturer of metal bodies biscuits but obviously yours is the exception.

National Duolian Serial Numbers

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With 2 serial numbers (S649 on the body and 2356W on the headstock), this is almost certainly a style O body with some sort of factory blemish that was then finished with paint as a Triolian. Paint is 99.9% intact, and it is as clean as I've ever seen. Could have left the factory last week! 2ff7e9595c