2-10131680 Yemen Imperforate Progressive Proof Selection Rare Early       Rare Early Yemen Imperforate Progressive Proof Selection of 70 + stamps in various colors. All XF OG NH with a popular Space topical. Very few exist.
      Rare Early Yemen Imperforate Progressive Proof Selection of 70 + stamps in various colors. All XF OG NH with a popular Space topical. Very few exist.