Identify year of Oleg Cassini tag

[moodaline]

I can’t find this tag anywhere. Thrifted this Oleg Cassini. Please help identify a ballpark year.

 

[Vintorious]

It's in the Label Resourse:

Labels - Vintage Fashion Guild

vintagefashionguild.org

 

[moodaline]

It's in the Label Resourse:

Labels - Vintage Fashion Guild

vintagefashionguild.org

Not this specific label.

 

[Vintorious]

Do you have any other photos of the garment? What other details are there? Looks like fiber content of the lining is acetate...what is the shell fabric?