It's more difficult with British guns, likely wearing Belgian tubes, but without the creative naming. The British just went with 2 Stripe, 3 Stripe, and British Best. Both these are courtesy of Stephen Helsley
http://www.picturetrail.com/sfx/album/view/20258609

Three Rod English Best "Oxford"
William Powell & Son 12b Bar-in-Wood hammer gun SN 7193 sold in 1880. The ledger describes the barrels as being "best damascus."



Three Rod English Best "Turkish"
William Powell & Son 16b Boxlock sold in 1886. The Powell ledger also states..."best damascus barrels."


https://sites.google.com/a/damascusknowledge.com/www/home