Berlin nummeral cancel "103" "107" to Kruschel handbook on over 90 stamps from Michel number 1-5, from several pieces of the court post office "103" (Kruschel number 145), some pieces "103" the city post expedition (Kruschel number 146-149), multiple "104" (Kruschel number 192, 194 and 196), then "105" (Kruschel number 157, 159) and "106" (Kruschel number 174) as well at last "107" (Kruschel number 181 and 182), in this richness and concentration rare