Lot 42157 – 1881-1993, ERRORS AND VARIETIES, Attractive and important

1881-1993, ERRORS AND VARIETIES, Attractive and important selection of errors and varieties housed in 7 stockbooks and on 35 exhibition pages, key items include 1882 5St red ERROR OF COLOUR mint, section of 1901 Prince Ferdinand blocks with SPECIMEN perforations, all with Karaivanoff certificates, 1937 Tsar Boris Ministry sheetlet, 1938 1st Prince Anniversary Ministry sheetlet (only 50 printed), strength in the 1927-29 Coat-of-Arms issue, later many imperforate issues, etc., a great lot for the specialist