Lot 60780 – 2d orange, die I and die II, specialised study of the

2d orange, die I and die II, specialised study of the S22 and T22 control blocks neatly mounted and knowledgeably written up on 38 album pages, with 64 items including control singles, strips of 3 and mostly blocks of six with one important block of twenty-four, showing a wonderful array of overprint, watermark and other control variations, an excellent basis for study and expansion