In addition to the tips given here, you should check out this detailed tutorial on the subject by member damascus that appeared in this forum several years ago.

https://www.doublegunshop.com/forum...;Main=42655&Number=527918#Post527918

Since the subject of repairs and refitting these old trunk cases comes up fairly often, this excellent Thread by Ernie would be a good one to also have saved in the FAQ forum, or maybe even the professional gunsmithing forum. The title of the thread made doing a search for it a bit difficult.

Voting for anti-gun Democrats is dumber than giving treats to a dog that shits on a Persian Rug