1945, 20 Rp to 1 Fr. \"Birth of the hereditary princes Hans Adam\", variety \"unperforated\" - uniform from right margin of sheet, complete set with three values, mint never hinged, faultless condition, unsigned, photo expertize Dr. Johannes Hoffner BPP (2023) \"perfect quality\", Michel 1.700.- (Zumstein no. 207 / 09 U)