Philately. Walker, J. Reg. : NEW ZEALAND - THE GREAT BARRIER ISLAND 1898-99 PIGEON POST STAMPS. Published in 1963 by The Collectors Club, New York. Card covers, 109 pages. A profound study describing the History of the Great Barrier Pigeon Post and the Stamps including Plates, Overprints, Counterfeits, Imperforates of the Triangle Stamps, Cancellations, Commemorations, the Catalogue, Checklist and Bibliography. The major publication on the subject and scarce tilte from the Collectors Club Handbook series. Good condition (Image 1)(Image 2)(Image 3)(Image 4)(Image 5)(Image 6)(Image 7)(Image 8)(Image 9)(Image 10)(Image 11)(Image 12)(Image 13)(Image 14)(Image 15)(Image 16)(Image 17)(Image)