TIBET. 1933-60, 2/3tr. blue (Setting III & IV) pin-perforated on medium wove native paper, selection of 6 sheetlets of 12 subjects, 2/3tr. blackish violet blue (Setting IVb) very clear printing on medium wove native paper & same sheetlet with position 1 tipped- very late printing, 2/3 top right. in gray blue and indigo shade. Very good lot for specialist. Viewing recommended. SG 10A, 10Bc. (Photo). Est. 200 - 300 CHF.