100-550 usd
You need to contact Ruger. You may have a prototype
100-200
75-125 or so
50-175 USD
100-500 dollars
100-1000 or more depending on the exact specifications
100-200
50-500 depending on specifics
The numbers 10-21133 are the serial number that was assigned to your Ruger Standard Mark I pistol,which was made in the year 1969.
You can get a manual for free at Ruger's website.
100-1000 USD