Likely mid 1950s in age.
Whiskey or other hard liquor.
I found this bottle with label on eBay bearing a Barclay's Private Stock Whiskey label. Your bottle could have been used for this brand but possibly other brands.
https://www.ebay.com/itm/Barclay-039-s-Private-Stock-Whiskey-Bottle-D23-65-40-produced-1940-039-s-/203068358662
