unused Block Larger Than four ½a. Plate II imperforate, ultramarine complete sheet of twenty-four without gum; fine and very rare. B.P.A. Certificate (1966) | Christie's

Lot 1033

1033

unused Block Larger Than four ½a. Plate II imperforate, ultramarine complete sheet of twenty-four without gum; fine and very rare. B.P.A. Certificate (1966)

Details

unused Block Larger Than four ½a. Plate II imperforate, ultramarine complete sheet of twenty-four without gum; fine and very rare. B.P.A. Certificate (1966)