Need Help Identifying Old Glass Liquor Bottle

[mkulltra]

I bought this old, hand blown liquor bottle at an estate sale today and need help identifying it. I know some of you are really good at glass and would appreciate any help. Age? Value? It is marked on the bottom with 65, I think P in a circle, 79, and an 8. It has a natural green hue on an angle. Thanks for any help.

 

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[Mackaydon]

Welcome to Treasure Net ~!!
Looks like a brandy decanter.
Don..