Lot 40974 – 1949 16th Agricultural and Industrial Exhibition 1

1949 16th Agricultural and Industrial Exhibition 10m orange-yellow colour trial (instead of issued violet), mint lightly hinged, Royal imperforate sheet marginal horizontal strip of three on wmk gummed paper, one stamp with paper adhesion and one thinned but in margin only, extremely rare as only one sheetlet of 9 in this colour was printed