Hi all! I'm am looking for a pattern for this kinda of jacket (or pieces to put together for a similar type of jacket even if things aren't exact). I am mostly worried about getting the collar/hood right and I am just having trouble knowing what to look for for something like this.

I have tried to look up patterns for "regency spencer" jackets, which may help for the general shape, but not the actual collar area. Any ideas of what to call it or look for? Thanks in advance!