Help Needed for 19C English Silver Carriage Clock Marks

[krtoo]

Hello from NY. I would appreciate any help in identifying these marks on a 19C carriage clock - I believe the marks are the standard mark, then a mark I can't identify, then a date mark I'm having trouble identifying, and the Victoria mark. I would also appreciate help in identifying the maker - JB.


Thanks so much to all!
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[Waylander]

My guess (if the marks are authentic) is London, 1887. Maker? Don't know.

Waylander
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[Neruda]

Could be Jane Brownett
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