Antique Pewter and Glass Hip Flask lovely It folds back up elegantly

It folds back up elegantly to form a rectangular box with perfectly square sides

as one moves around it

circa 1970s

perhaps made to store crickets

is nice and deep

Antique Pewter and Glass Hip Flask lovely It folds back up elegantlyWhat could be better for a camping trip, hike, or really most any outing than this flask filled with good whiskey? Dating from around the late 19th century, I believe, and presumed British, this handblown glass flask likely once had a leather or perhaps wicker cover over its top half, which is now gone, but the glass is quite thick and I'd guess would not shatter very easily, and the pewter top screws on nice and snug. The flask measures 6 1 2" inches