The W104 indicates that you have a 104 series double nine.Your serial number indicates that it was made some time in 1969.
@ 1967
1964
1966
1964
Records are not complete, but late 1965/ early 1966 would be a best estimate.
No public records
No sn's required before 1968.
Well the date of the Remington slide is unknown, but the gun itself was made somewhere in the 1915-1918 range, that is a Colt serial no. Parts for old 1911 are frequently mismatched. my research indicates manf. date as 1917 and it is a colt.........
marcas , nana, nila, manf, nilas
http://www.gunstocksinc.com/web_pages/Plate-pics/Ithaca-Stocks/Itaca-stocks.htm
Manf control fuelair metering, Aux emission control
made about 1901 (but not sure)