Ivanhoe, that Blanch is a lovely gun. The acanthus spray on the fences seems to be a Blanch style. Do you recall the serial number? I'm guessing it is a Lang-type single-bite action with the rising stud. The auction site does not provide much information. I hope it brings you a good price.

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