PM&M [Resources / Unidentified Marks / Miscellaneous]
Building above initials 'A G', 'ILMENAU' and ⇒HANDMALEREI. (Picture by Nikola Ivanov) Image 1309-17. Letters 'H R G' placed in a heart shape. Image 1005-13. Crown above superposed 'H R' above 'RUDOLSTADT', possibly a mark of Hans Richter, heir of Reinhold Richter. Image 1005-16.