Lot 90572 – 1926-91 group of Official stamps with perf. varieties

1926-91 trio of Official stamps with perf. varieties incl. 1926 5m brown mint n.h. lower marginal strip of six with oblique perforations, 1938 Officials 3m brown and 4m yellow-green lower marginal singles showing double perforation, one oblique, mint n.h., and 1991 30pi dark violet block of four showing a major perf. shift, some light browning to bottom left stamp but otherwise fine.