found in a bottle dump its 5.5" tall 3" wide 2" in thickest area thickness it has 8 lines on each side no visible markings on the flask. i would say it holds a pint thats all i know.
Re: any idea how old this glass flask is or value??
Give us more details . . . size, volume, embossing?
“A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber room of his library, where he can get it if he wants it.”
--Sherlock Holmes (Arthur Conan Doyle) in "The Sign of Four"