Lot 60777 – 1d scarlet, specialised study of the S22, T22 control

1d scarlet, specialised study of the S22, T22 control blocks neatly mounted and knowledgeably written up on 20 album pages, with thirty-one items including control strips of 3 and mostly blocks of six, showing a wonderful array of overprint, watermark and other control variations, an excellent basis for study and expansion