拍品號碼 7062

1968年5月31日中國集郵公司封，自北京航空寄英國，貼文9三連票，銷北京日戳。此封因銷票未見騎縫，因此具有爭議性，現況出售，不得退換。 f.w. W9 in block of 3, tied by Beijing cds. The postmark was not tied to cover, we cannot ensure the authenticity of this cover. SOLD AS IS, NO RETURN.