I was watching that one as well but after my email and phone msg to the auctioneer went unanswered regarding the condition of the bores, decided not to bid. I'm fairly sure I know the buyer so may follow up on this thread once he has it delivered. The rib inscription shows the replacement barrels were from Tolley.
[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]