V. PR imperforate between, with backing paper, light CR, VF, this pair is unpriced in Scott and there are less then ten examples known, extremely rare error, (ENV 950-1,000)

Imperforate, Pane of 100 Pl. #S22222, OG, NH, there are some fingerprints on the gum, quite fresh and overall Extremely Fine, the catalog value listed is figured on fifty pairs with no premiums for the plate blocks or imprint blocks