ST HELENA 1922-37 1½d rose-red, variety, SG99/bSt Helena 1922 37 1d rose red, lower marginal block of 4 with part centre guide, showing variety 'Torn flag' on upper right stamp (R4 6), SG99 b. A brilliant quality mint positional block of four with large part original gum to full original gum. Importantly, the high value printing variety is only very lightly hinged. Minor wrinkles in bottom margin, mentioned for accuracy and inconsequential. A fine and attractive positional block. Stanley Gibbons