This printed tissue uses Epson Durabrite pigment on white Japanese tissue (Mitsumata or Gampi; both similar to the old Esaki and in the ~12 g/sq m weight range). The ink is waterproof and thinner proof so you can cover with dope shrink with water or alcohol and seal with thinned dope. To get a semi-opaque finish use white chalk powder carefully rubbed into the back side of the tissue (do this on several layers of newspaper to prevent damaging the tissue. You can also spray the back side with white design master floral spray (the chambermaid in the photos below uses this approach).
You might ask “why is the tissue so expensive?”; Consider this: An ink cartridge is about $40 and I get 8 to 10 tissue sets per cartridge ($4 - $5 per tissue set) Tissue is $1.50 per sheet and I need two to 6 sheets per set ($3-$9) so the material costs range from $7 to $14, bigger models might get up to $20. Now we factor in the hours spent researching the color scheme and doing the art work (lets say I charge you $2 for that work) and the time spend preparing your tissue and packing it all up (half an hour to an hour per set). If I charge you $30/hour for my time (because I am a “skilled worker”) we end up with a price range from $24 - $47 for a printed tissue set.
I hope that you can see where the value is here.