Details
used 4d. vermilion, abnormal plate 16, IH, very neatly cancelled by part "561" numeral; one short perf. and with small part of an impressed albino handstamp or seal at lower-right but in no way detracting from this extremely rare abnormal. S.G. Spec. J63, £10,000. Photo
Further details
Note: It is believed that only eleven examples of this abnormal are known, two of which are in institutional collections