4, 50 Fr. Fee slip in type III on properly franked registered letter from "Guerande 28.02.1945" to La Baule with arrival cancel from 01.03.1945, in perfect condition, issued only 3.500 pieces in 7 types (to current state of research) - the probably all in always same number printed from 500 pieces was printed, expertized Tust BPP and detailed expertise Lothar Herbst VP (2023) : "the condition is perfect. "