unused Block Larger Than four 1a. on 64a. block (3x3) showing inverted "s" (A5 and B5) and inverted stop (B6), fine mint. | Christie's

拍品 1823

1823

unused Block Larger Than four 1a. on 64a. block (3x3) showing inverted "s" (A5 and B5) and inverted stop (B6), fine mint.

细节

unused Block Larger Than four 1a. on 64a. block (3x3) showing inverted "s" (A5 and B5) and inverted stop (B6), fine mint.