Hi Jon,
The Yahoo National SM group might be able to put a date on your Damascus:
http://groups.yahoo.com/neo/groups/n...tions/messages
I also noticed a manual online:
http://www.clawges.com/sewing/damasvs_manual/
Well worth fixing up for your own use but generally these machines are of little cash value. Sewing machines, clocks, and firearms put the ingenuity in Yankee.
Good Luck
Another Jon