Qatar, incoming Acknowledge Receipt card from Beirut, Lebanon sent on 29/5/1956 to UMM SAID (PO opened on 1 February 1956) where he arrived on 4/JUNE/56 and after being signed by the recipient, he returned to Beirut. IMPORTANT CARD SENT IN THE FIRST MONTHS OF POST OFFICE OPENING, MOST PROBABLY THE FIRST INCOMING MAIL RECORDED ADDRESSED TO UMM SAID AFTER OPENING HIS POST OFFICE.