You're right about the shear line on yours, Bob. But the neck on the stag flask is something different. The neck on it is longer than the mold was supposed to make a neck, so everything above the horizontal line stuck out of the mold. It's something I usually only seen on early Baltimore and New Jersey flasks. I read in a book that Coffin & Hay was mostly a window glass factory and only made flasks from 1836 to 1838.
thanks guys,i'm not gonna tumble it yet,i'm gonna think about it for a while[8|]anyway i live "very" close to where the coffin & hay glasshouse was so this flask means alot to me and my wife.it really is nice to look at and the pics really don't do a thing for it. i had a guy email me two days after the auction and asked if i knew anything about what i got.he told me that the lip on the flasked was tooled and most of these types of flasks where sheared.who knows right? thanks again , matt