Lot 60778 – 1/2d scarlet, specialised study of the S22, T22 control

1 1/2d red-brown, specialised study of the T22 control blocks neatly mounted and knowledgeably written up on 10 album pages, with fourteen items including control 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.