Proof Block Larger Than four ½a. Plate III, an imperforate block of eight in deep grey-blue, being the complete upper two rows of the sheet with full sheet margin, fine unused; believed to be of proof status
Proof Block Larger Than four ½a. Plate III, an imperforate block of eight in deep grey-blue, being the complete upper two rows of the sheet with full sheet margin, fine unused; believed to be of proof status
Proof Block Larger Than four ½a. Plate III, an imperforate block of eight in deep grey-blue, being the complete upper two rows of the sheet with full sheet margin, fine unused; believed to be of proof status
