Reddit mentions of Wax Seal Stamp Set, Yoption 6 Pieces Sealing Wax Stamps Copper Seals + 1 Piece Wooden Hilt, Vintage Retro Classical Initial Seal Wax Stamp Kit (Tree of Life+Bee+Heart+Compass+Feather+with Love)

I've started playing around with wax seals using a variety of different methods, and here are some results from today. I used this wax kit (600 wax beads, a melting/mixing spoon, and 3 tea lights for $15 on Amazon) and this sealing kit (6 seals and a handle for $19 on Amazon).

The spoon that comes with the kit is garbage in that you are likely to break it during cleaning after your first session. I don't appear to be the only one who experienced this, judging from reviews. The wax is decent: it was somewhat rubbery after cooling, which makes it well-suited for mailing. (Some waxes harden too stiffly to survive the sorting machines used by the postal service. That said, it can be peeled off paper without too much trouble. Thus, it's nice for looks and will likely make it through the mail, but don't depend on it for security and make sure it's protected if you mail it.

The sealing kit is very nice. It's cheaper on Ali Express if you don't mind the wild west of overseas ordering, but I wanted something quickly and will order more seal tips ($1-$6 each) in a while. One thing I noticed about these seals (compared to the ones you might find in the wedding section of Michael's) is that the seal patterns were cut much deeper. I was concerned that they would be too coarse, but it really brought out the detail and now I think the seals from Michael's are too fine. One way this manifested itself was when I was testing different wax bead counts. The "sweet spot" is 3-4 beads, depending on the seal. You can get away with only 2, but rather than looking like a mistake, the seal's design ended up getting filled out with the wax, yielding kind of a cool effect: the pattern extended a little beyond the circle of wax, which now appeared almost like a popout backdrop. This was repeatable. Fun stuff!

After the wax cooled, I went over the surface details with a paint pen. I had good luck with Sakura Pen-touch paint markers in 1.0 mm, but you can use whatever your local stores stock. At Walmart, for example, that's either Painters or Sharpie. I do NOT recommend Sharpie. The quality of their paint is poor, leaving you with results that are oily and transparent unless you use a lot. Painters pens are decent but are much more susceptible to leaking and making a mess than Sakura, and aren't really much cheaper if you buy a set or have a local art supply store that carries Sakura.

Sakura Pentouch paint markers are available in fine (1.0mm) and medium (1.8mm but often sold as 2.0mm), in a wide range of colors: copper, black, white, red, yellow, green, blue, and purple, and kits are available for gold/silver/copper and black/white/red/yellow/green/blue/purple. I don't know if both kits are available in 2.0mm as I only bought them in 1.0mm.

Note that the rubbery wax's surface didn't like to pick up the paint at first. I ended up with either too little or too much. This can likely be solved with patience: lay down a little paint, let it dry to act as a primer, then lay down a little more. Don't be impatient like I did or you'll end up with too much paint and a messy finish.

Some other options for wax sealing include wax candles (with wicks) that you can light and drip, wax sticks (no wicks) that are melted using another candle, torch, or flame, and round wax/glue sticks designed to be put through a low-temp glue gun. I've tried all types, and here is my take:

• Wax candles are the easiest to set up and use, but can be the messiest. Easy-ish to mix colors if you have hand dexterity. These are harder to find as supple/malleable wax, and if you do, it's more expensive.
  
• Wax sticks are just as messy as the sticks but lack a wick so are slightly more difficult to use but less likely to turn black with soot. Supple/malleable wax can be found under several brands, including some carried by Goulet Pens, but they're somewhat expensive.
  
• Glue gun sticks are the easiest to do large, bulk quantities, but can be boring. Again, supple/malleable wax can be found but are more expensive.
  
• Wax pellets take the longest to set up, and the clean-up takes longer since you have to wipe down a spoon. However, it can yield the nicest results, particularly if you like mixing colors. The kit I bought was pretty cheap for the amount of wax, yet was surprisingly soft and I'm confident it can go through the mail without a problem, other than possible tear-off.
  
  Wax sealing is a fun addition to card/letter-writing, doesn't have to be expensive, and can really make whatever you're sending pop. I hope this post was interesting, and that it encourages you to try out wax sealing! :-)

The easiest thing is to get parchment style printer paper, like this:

https://www.amazon.com/gp/product/B01L2OMUHS/

Then just use a simple word processing program, like Microsoft Word, or Google Docs, to create the handout you want, using any kind of script font (just not one that is hard to see) to create whatever letter/handout you want.

Then you can stain it a bit with coffee, burn the edges a bit with a lighter, and/or crumble it up into a ball then unfold it a few times, to make it look old.

I also go this:

https://www.amazon.com/gp/product/B07F3XG9VW

and some wax so I could do real wax seals on envelopes and things.

These make great thematic hand outs. You could use the same paper to print out your modifications to races/classes, just skip the stuff to make it look dirty/old.