Here I am looking pretty exhausted after having hammered about 25-30 rings.
Below you can see some of the stamps I use.
Then each is formed on a mandrel with a rawhide mallet until they're the desired shape and size
The letters are oxidized to make them stand out, then the rings are lightly sanded to remove extra color and smooth them slightly.
Finally I give each a wax coating to protect and preserve the finish.
The finished product:
Rings can be purchased at http://www.valeriemiscellanea.etsy.com (when available! They sell out quick!)