Los-Nr. 1086

 45 m. violett/black, imperforated block of four from the upper right sheet margin on ligat paper with only the frame printed, on upper right stamp with clear archive cachet "EESTI VBARIIK RIIGI TRÜKIODA" and  with partial cachet "MUSTER", very interesting and rare, some creases , otherwise very fine, certificate Löbbering BPP