Roy â€” There is an apparently identical jug in ruby (cranberry) opalescent, same handle, lid, shape mould with the base and neck rings, 24? rib dip-mould, in
Heacock & Gamble Book 9 Cranberry Opalescent
, p.87 No. 89 "RING NECK STRIPE".
No specific attribution here in line with Sid's information â€” "Northwood, Buckeye, Beaumont, Jefferson, Nickel, others." Suggested date range here 1886â€“1904. This item is described as rare.
Heacock Book II Opalescent 2nd edn.
that this lid may not be Hobbs, at least if Hobbs stuck to just one pattern of lid (rather clutching at straws here).
Both books give the strong impression that fairly simple utilitarian metal fittings like your lid were bought in and fitted by the glassworks. Only in the case of very ornamental metalwork does Heacock suggest that the glass was supplied to the metalbashers, who then sold the finished article into the trade.
Note that these books were published in 1987 and 1977, so much new information will have emerged since then.