I’ve tried making my own wax seal stamps from acrylic and from Delrin, and while the stamps themselves came out great, I had endless trouble getting the wax to release from the stamp, even after using silicone release spray. I recently found out that rubber stamps can be used, although the commercially available ones have the image sticking out (for stamping on paper) rather than engraved into the surface like you want for wax seals. No problem, I’ve got a laser!
For this project I used the low odor rubber stamp material that is actual rubber rather than the transparent photopolymer I usually use for rubber stamps, because of the heat resistance of the rubber. For settings I used ones I found in this forum here, although I only did one pass on the engraving as that was deep enough.
As far as how well they stamped in the wax: I felt they worked just as well as the metal wax stamps, and far better than the acrylic or Delrin. I did coat the stamp with Versamark embossing ink (it’s a clear sticky glycerin-based ink) before stamping in the wax, but I don’t think it was really needed. In future I will skip that step.
I got the low odor laser rubber as well as the laser photopolymer here:
The wax beads came from Amazon (many suppliers). But you can make your own wax beads by melting together 1 part crayon with 2 parts low melting hot glue. In fact, I like it better. It has a richer appearance than the plastic wax beads.
I’ve been reading the Enola Homes series. She talks a lot about the era and the culture of the time in the writing. It was interesting to learn about the different colors of wax and what each indicates.
I don’t know which would be more accurate. The video I saw was pretty detailed, although just a few minutes long.
Makes the point, though, and I had used the different colors many, many years ago - the stamp came with a red candle, but I also bought blue, pink and white IIRC, and used them all. The white was used for invitations to some very special events we hosted, the blue back “in those days”, the pink for colleagues I was working with. All were conversation starters. Dang, now I am itching to see if I can find it. I think the stamp is brass and the handle steel. It would be with my Washington’s Sword letter-opener, which I’ve been frustrated to not put my hands on since I moved in 2016.