Take another look at that site GLoux linked to--the very next guitar listed appears to meet your requirements if Style 21 is acceptable. Brazilian rosewood body, yikes!
at http://www.vintage-instruments.com/navigate/catidx5.htm
16. MARTIN, 00-21, 1919, 12-fret, slotted-head, 1-7/8"width at nut,
etc...
cut-to-chase: $5500 US
W-O