Date Code Decode?

[Hyper_pak]

Anyone know how to decode a date code?
This is an early 1960-ish distributor.
Thanks for any help.

 

[RustyRatRod]

@halifaxhops Ray? What say you?

 

[townsend]

1961 Valiant 225 engine Chrysler built.
Date code 39th week of 1960.

 

[halifaxhops]

1961 Valiant 225 engine Chrysler built.
Date code 39th week of 1960.

Yup now that C after the sn is new to me usually a year code but not.