1925 - 1951, lot better issues in mint never hinged condition on four stock cards, among others as well Michel no. 108 / 121, 122 / 125, 135 / 141 in block of four from right lower corner of the sheet, 144 / 150 (150 small fingerprint), 267 / 271, 272 / 288, 291, 299 / 303 (2), 309 / 313 (2) and so on, Michel 2.660.- (former starting price 200) ;