1922 - 1923, * / ** and additional cancelled collection in the SAFE dual album, as well better issues and on Michel 18 / 33 used (key values expertized), 79 * (expertized Petersen BPP), 141 / 50 ** (expertized Petersen BPP), 151 / 63 * / o, 230 / 33 * (expertized Huylmanns BPP), local issue with types etc., Michel approximate 4.000.-, in addition to it 2 sides with duplicates