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TONGA - 1981-1997 NHM SPECIMEN OPT'D COLLECTION An attractive, ALL DIFFERENT collection of stamps, miniature sheets & sheetlets presented on stock book pages that includes the 1985 Haley's Comet set in se-tenant strips of 5, 1988 Settlement sheetlet, 1989 UPU Congress sheetlet & 1992 Pacific War sheetlet amongst much else. Post Office fresh condition. (80+ stamps & 25 m/s or sheetlet)