S was not part of the Model 36 sn convention.
No such model number.
Can't be answered without the serial number.
41 yrs old
Mid 80s
No
The smith and Wesson model 10 has the K service frame.
100-1000 usd
The 1966 Mod 60 Smith & Wesson in good condition is worth $1,200.00
Your smith and Wesson mod 4043 is running between 240-400 dollars depending on condition.
10-600 usd
1970
100-400 USD