Ruger Convertible ,Single Six, Serial number

[Old Ghillie]

Can anyone tell me the age of a Ruger Convertible ,Single Six, .22,22M, Serial no. 3820XX.
Ruger factory info doesn't seem to date this older model.
Thanks, Gary

 

[Ganderite]

Do it yourself

https://ruger.com/dataProcess/serialHistory/

 

[hatman1793]

A totally overpriced 22 revolver.