Does anyone know how to date this vintage N3B parka without a DSA number?

[Quarter]

It's supposedly post World War II, but would you guys be able to tell which era/decade/year it's from? Here's the picture of the tag:

Thanks in advance!

 

[bentusian]

Spec No. MIL-J-6279'D' seems to fall in the time period between late 50's and early 60's.
Albert Turner is usually associated with late 50's contract, around 1958 (according to Japanese sites).

 

[Quarter]

Spec No. MIL-J-6279'D' seems to fall in the time period between late 50's and early 60's.
Albert Turner is usually associated with late 50's contract, around 1958 (according to Japanese sites).

Thank you, that's really useful!