Type Blanc - 1/2c., 1c., 2c., 3c., 4.c and 10c: Important study including vintages, varieties of printing, GC paper, dated corners, varieties of overprint including 1/2c. reverse overprint in block of 4., variety of shade, different types. Interesting lot, to be studied. Note: Some facsimiles and stamps are glued to their plastic sleeves. Condition **/*/O