
In my vintage postcard collection, there are some beautiful birthday cards in the Art Nouveau style. I wanted to turn them into cookies, which was a trick and a half, since postcards are rectangular and I wanted round cookies. After much tinkering, I was able to come up with a gorgeous set, I think .
The wafer papers measure 2" round, and fit a 2.5" round cookie. Most cookie cutter sets have a cutter in this size; my favorite is in the Ateco 4-Piece Round Fluted Cookie Cutter Set. This size is also easy for using a cheat—store-bought cookies! For these, I used Walker's Lemon Thins from the grocery store (they have a lovely scalloped edge). I also use Walker's Raspberry Thins regularly. If you plan on making a dozen, get two boxes—chances are that each box will have a few broken ones, which is a shame on the one hand, but, on the other hand, the baker gets to eat them herself :D The new Newtons Fruit Thins, which come in cranberry, blueberry, and lemon flavors, work as well. Your local store may also have other options, so make a cookie raid!
As per usual, I piped and flooded the cookies, waited until they were rock solid (24h), "painted" the surface of the cookies with corn syrup using a small craft brush, waited 10 mins for the syrup to bead up and become super-sticky, then pasted on the wafers. When they were dry, I piped a border using a #14 star tip with stiff icing in beige, since I knew I'd be gilding the edges. Once the icing was dry (next day), I painted the borders with edible gold "paint" made with Wilton Gold Pearl Dust mixed into some lemon extract. Michael's is a good place to get it locally, if you need it. I prefer it over every other gold dust, because it looks like actual gold, not strange and yellow or brassy. But, enough about the process. You can head to How To Decorate Cookies With Wafer Paper for more detailed directions and photos of the process.
I'm really pleased with how they turned out!

The wafer papers are available for purchase in my store.
A step-by-step how-to for decorating cookies with wafer papers can be found here.