Apparently we do! A great many of them! It is more frequent than we might like where we run into a collection of materials that we have little to no information about and that was not cataloged fully when it arrived. Such is the case with these 326 button dies.
And what I mean when I say cataloged is that the collection has been gone through thoroughly, with pictures of each individual die as well as a condition report. Research should be done on any markings or known makers, etc. When it was realized that this had not been done, we went ahead and pulled them and now have a wonderful volunteer undertaking the task for us.