Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface and bearing a positive image and having means for varying the image, e.g. by exchanging stamping plates in succession
Apparatus for stamping articles having integral means for supporting the articles to be stamped with stamping surface located below article-supporting surface and bearing a positive image and having means for varying the image, e.g. by exchanging stamping plates in succession