The original was ~3.5"x5.25" and cut with a knife!
I used PaintNet to remove the text and upped the contrast until it was black and white, and then set it in the to engrave.
It’s done on a paper called Pergamenata - it feels like vellum (fine leather) - but it’s paper. This is their heavy weight 230gsm, approximately the same weight as 85lb paper…but not at all similar in feel