For Mailman (V Polzu Pochtaliona)
1909, stamps for delivery of judicial correspondences, red overprint on revenue stamp of 15k blue and rose, block of four, top stamps without overprint, while bottom ones bearing double overprint (one inverted) due to overprint shift, full OG, NH (bottom stamps) or LH, VF and exceedingly rare, last sale of this block recorded at the J. Stolow Auction, February 20, 1965, lot #2259
