Pistol made by Hopkins and Allen @ turn of the century or before.
about the the late 1800s
Hopkins & Allen Company.
They made thousands of them.
No definitive sn data published.
Try Cornell Publications.
gun shows, custom ammo makers
SN's were not required at that time. If it has one, look on the butt or frame.
Try Hopkins & Allen. Depending on condition, anywhere from $25-100.
Impossible to value with just the sn and no other descriptors
The hopkins and allen ranger model No.2 was made sometime between 1902-1914.these inexpensive revolvers are valued at between 70-150 dollars,depending on overall condition.
10-100 USD or more depending on specifics.