Souvenir sheets issue \"Heydrich\", no. 342, souvenir sheet for Participant at the commemoration as well at high place personalities, special print the Heydrich stamp on pale yellow art paper, harrow perforation 13 1/4 : 13 3 / 4, size 98 x 146, 5 mm, expertized Buehler and photo expertize Pfeiffer BPP (2021) : \"the item submitted for inspection is unused (hinge removed) with original gumming and point at a very few tiny spot on. \"