1910, world exhibition and tuberculosis fund, 1, 2 and 5 C. On hatched ground as well 1, 5 and 10 C. On smooth ground, always in the miniature sheet to 25 values, used "BRUSSEL 24 I 1912", good condition, catalogue value COB approximate 1.900.- (COB-no. F84 / 86, F88, F90 / 91)