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Hi Nick.
I'd go for Richardsons too - and probably an earlier piece, given the cane colours and slightly untidy (for them) set up. What I do not know is what early means, other than pre-1900: I know of no evidence that helps date their pieces in the 1850 to 1900 period. If any one else does, that would be great news.
Richardson bottles are often missing their stoppers, as the original shafts were thin - sometimes pencil thin - and got broken very easily.
Alan