Shrub sounds tasty :24: (after drinking, this happens)
The square decanters could be from anywhere, they dont look top quality.
Theres some similar english ones in the book, they look a bit more faceted and polished,
but it would be a wild guess to go further, i think you could call the stoppers as
radial cut Mushroom shape, c1790- thru 19thC
Andy
(dont see why they couldnt be English

)