The examples show the logo with and without the lion.
Schmidt must also have had an operation in Budapest, as shown by the final card. Here his name is spelled out. This card also has the legend POSTKARTENVERLAG UNVERDRUSS, Berlin. I think this must have been a distributor; there are other publisher's cards marked "Alleinvertrieb Berlin H. Neelmeyer & Unverdruss", ie Exclusive distribution ...