The added 5 dh. stamp is cancelled 15 AP / 67. The added 60 dh. issue is uncancelled. The date of the cancel on the original 60 dh. stamp is unclear. The cancels are in a double ring format, DUBAI on the bottom and the Arabic equivalent at the top of the ring. Note the 1 and the Arabic equivalent along the sides.
The words read: RETURNED FOR / ADDITIONAL AIR / POSTAGE OF / 65 DH
The postage rate in 1967 to Europe was 60 dh. The postage rate to Canada was 1 riyal 25 dirhams.