There is a Reilly 8 bore, SN 21083 (1878), U-L hammer-gun for sale in England for an estimated £150 - £250. It looks to be in excellent - unrestored condition - from the photos.
https://www.lot-art.com/auction-lot...LEVER-HAMMER-S/875-e_m-15.9.25-winterton

There are several points which make this worth posting - if nothing more than a reminder: 1) Reilly did not engrave most of his big bore shotguns - they were simple, straightforward. 2) the big-bore shotguns, like his rifles had pistol grips. 3) this one appears to have an interesting Damascus pattern barrels and they are 31" which is about right for an 8 bore though they can go up to 34". For the price, it might be worth looking at:

[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]
[Linked Image from i.imgur.com]

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