Haven't found info about the maker. Wood issues may require a pro. Said to be tight with good bores. I had decided no more fixer-uppers and then this arrives in my email. Its a bit tempting just because it is unusual. I may resist.
Did stumble onto this advertisement
From Newspaper THE ARGUS December 1882
LINK
GEMMELL, TUCKETT, and Co. have received Instructions to SELL by AUCTION, at their room, 49 CollIns Street west, on Monday, 13th December at eleven o'clock,
Splendid hammer gun, by Wm. Powell and Son, patent pend action, with Anson and Deely lock and cocking arrangement ; one barrel choke bore.
Very fine hammerless gun, by Bussoy and Co., In case, with fittings complete
Double breech-loadlng gun, by Mortimer, tip action Do do, by Beckwith .
Snider rifle,
rifle by J. Bott and Son,
revolver,
All Terms-Cash.