1 Mark on 30 Pfennig Mi No. 26 I DDN and 10 Mark on 7 1/2 Pfennig Mi No. 31 I DDN, Germania, with double grill watermark, top oriented, cancelled with an unidentifiable postmark, previously expertised under Mi No. 26 III and 31 III respectively, flawless condition, signed, each with a photographic certificate from Gunnar Gruber BPP (2016), "genuine and flawless", Michel value for courtesy cancellation: 330.-