unused A predominantly mint study including the set perforated "SPECIMEN", ½d. and 6d. lower left corner blocks of four with extra flagstaff partially erased [49], ½d. and 6d. top left corner blocks of four showing two swans, ½d. Plates 1-4 in complete sheets, ½d. lower left corner vertical pairs showing extra flagstaff, ½d. top left corner block showing short extra flagstaff [7], and ½d. block of four showing lightning conductor. An interesting lot worth examination. S.G. 210-213