MSN has a Sako Collectors group.
100-1000 dollars
You will have to contact Sako. Falls outside published data.
Someone at the Sako collector club might know.
No sn data published in english, 100-1000 depending on specifics
The twist rate is 14"
1950's
Remington, Winchester, Sako to name a few
Without a more detailed description; 100-1000 USD
I have a sako L461 serial no 97578. This was purchased in 1968 , so, I guess no 86302 would be somewhat older.
Sako, and Remington are two different manufacturers.
1/12 or 1/14.