If the Ruger website is up, it has sn data
To determine the manufacture date of a Ruger Single-Six based on its serial number, you can refer to Ruger's official records or a reliable serial number reference guide. Ruger's production dates for the Single-Six are often categorized by specific serial number ranges. You can also contact Ruger customer service for assistance in identifying the manufacture date using the serial number.
1959
1970
about 1875
After 1978.
Impossible to answer. Serial numbers are not unique to only one firearm, and there is no single database of ALL firearm serial numbers.
No serial number provide; 50-850 USD
1958
No published sn data.
It is a Model 1885. With the serial number, I can provide you with the specific year of manufacture.
it ain't worth a monkeys left ball
No published sn data.