Offered is a single     UNUSED    ENTIRE  from the CANAL ZONE  # U20.      PLEASE NOTE: Flap is NOT glued shut.      PLEASE carefully check scan for age and soil.        NOTE: The item scanned is the actual item you will receive.     I have scanned both sides so that you see exactly what I am offering.     The envelope is in excellent condition.  I will ship the envelope in a plastic sleeve with a stiffener.   I am more than happy to combine the shipping charges.  If for some reason E-bay says it can't be done - I will refund over paid postage.  Any card is returnable, for any reason, at your expense.  I will refund when received.  Please take the time to look at my other offerings.  Thank you.