Souvenir sheets issue \"Aid for the city kindergarten\", watermark 1 X (standing), used \"NCKOB * K * -1 12 41\", the souvenir sheet war centered folded and point at margin defects (tear) on, the condition the souvenir sheet single stamps is perfect, issued only 1.539 souvenir sheet issues, signed, expertise Robert Brunel VP (2023), Michel 1.800.- (for the four single stamps 1.400.-)