Try e-gunparts.com
if it's a 380 caliber then made about 1924
About 92 years old, made in 1917.
German made.
$275 TO $350 DEPENDING ON CONDITION
25 ACP, German made, 200 USD or so.
If it is a Colt Vest Pocket model, 1921.
Colt model 1903 hammerless .32 with that serial number was made in 1931. About 78 y.o.
If you mean the 1908 Hammerless pocket pistol, the range is: Exc VG Good Fair Poor $500 350 300 200 100
If you are looking for a manual, go to the link below and scroll down to Colt .25 hammerless for a magazine try: edssportshop.com
The Belgium baby sable hammerless folding pocket pistol was produced in Belgium, known for its high-quality firearms manufacturing. These pistols were often made by various manufacturers, including notable companies such as Gastinne Renette and others, during the late 19th to early 20th centuries. The design was popular for its compact size and ease of concealment. Specific details about the maker can often be found on the firearm itself.
Go to this website, http://stevespages.com/page7b.htm and scroll down to Colt .25 or Colt .25 hammerless and it will give you the manuals with all the instructions on how to disassemble.
it was made about 1917, but value will depend on overall condition