Lot 70765 – 1911 (May) 6d yellow-green marginal block of 12 from the left

1911 (May) 6d yellow-green marginal block of 12 from the left of the sheet, comb perf 13 x 11 to 12.5 with irregular vertical gauge showing vertical gauges 11.5 11 12 se-tenant on rows 1-3 of the sheet brilliant o.g. (five stamps mint NH); some manuscript markings in the selvedge; still a very fine block.