Model 36. what year shipped?

[skid]

Hello, I have a model 36 chiefs special,blued, 2 inch barrel, not pinned. I would like to have an idea of when this shipped. serial # anp xxxx. I'm hoping someone would help me out. Thank you.
Mark

 

[Coastie762]

Skid, according to the SCSW that serial number prefix dates to 1986.