Brunei's Unissued Stamps

We had a couple of hours to ourselves after our official visits before flying off back to Brunei. As usual I dropped into my usual philatelic shop at Peninsula in Singapore. I always asked him what he had managed to acquire recently. He smiled and he showed me these 4 stamps!!!! (Produced but never issued.)These 4 stamps were produced to commemorate Muara Port's Official Opening in 1970. On the